{"id":6020,"date":"2026-01-21T20:53:12","date_gmt":"2026-01-21T11:53:12","guid":{"rendered":"https:\/\/dohokin.com\/?p=6020"},"modified":"2026-01-21T20:53:12","modified_gmt":"2026-01-21T11:53:12","slug":"toeic-rc-part-5-1-5-1-21-2026-%ec%9d%b4%ec%a7%84%ea%b4%80","status":"publish","type":"post","link":"https:\/\/dohokin.com\/?p=6020","title":{"rendered":"[TOEIC RC Part 5] 1\u20135 (1\/21\/2026) &#8211; \uc774\uc9c4\uad00"},"content":{"rendered":"\n<style>\n.toeic { font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,'Noto Sans KR',Arial,sans-serif; line-height:1.6; }\n.toeic .q{ padding:16px; border:1px solid #e6e6e6; border-radius:8px; background:#fafafa; margin-bottom:16px; }\n.toeic .meta{ color:#555; margin-bottom:10px; font-weight:600; }\n.toeic .stem{ margin-bottom:10px; }\n.toeic .options{ margin-top:8px; display:grid; gap:10px; }\n.toeic .opt{ display:flex; align-items:flex-start; gap:8px; padding:10px 12px; border:1px solid #e0e0e0; border-radius:8px; background:#fff; cursor:pointer; }\n.toeic .opt:hover{ border-color:#667eea; background:#f8f9ff; }\n.toeic .opt input[type=radio]{ margin-top:3px; transform:scale(1.05); }\n.toeic .key{ display:inline-block; min-width:22px; height:22px; border-radius:50%; background:#667eea; color:#fff; text-align:center; line-height:22px; font-weight:600; margin-right:4px; }\n.toeic .answer{ display:none; margin-top:14px; padding:14px; background:#f8f9fa; border-left:4px solid #667eea; border-radius:8px; }\n.toeic .btn{ display:inline-block; padding:8px 14px; border-radius:24px; background:linear-gradient(135deg,#667eea 0%,#764ba2 100%); color:#fff; text-decoration:none; cursor:pointer; margin-right:8px; }\n.toeic .subtle{ color:#666; font-size:.93em; }\n.toeic .q input[type=checkbox]:checked ~ .answer{ display:block; }\n.toeic .q input[type=checkbox]:checked ~ .options .is-correct:has(input:checked){ background:#d4edda; border-color:#28a745; }\n.toeic .q input[type=checkbox]:checked ~ .options .opt:has(input:checked):not(.is-correct){ background:#f8d7da; border-color:#dc3545; }\n.toeic .q input[type=checkbox]:checked ~ .options .opt.is-correct{ outline:2px solid #28a745; }\n@media(max-width:768px){ .toeic .opt{ padding:8px 10px; } }\n<\/style>\n<div class=\"toeic\">\n<div class=\"q\">\n  <div class=\"meta\">[TOEIC RC Part 5] 1 &#8211; Grammar: Word Form<\/div>\n  <div class=\"stem\">A binary relation R on a set A is said to be _______ if every element in A is related to itself.<\/div>\n  <input type=\"checkbox\" id=\"show_toeicq_467260_0\" hidden>\n  <div class=\"options\">\n    <label class=\"opt is-correct\">\n      <input type=\"radio\" name=\"toeicq_467260_0\" value=\"A\">\n      <span class=\"key\">A<\/span><span class=\"txt\">reflexive<\/span>\n    <\/label>\n    <label class=\"opt\">\n      <input type=\"radio\" name=\"toeicq_467260_0\" value=\"B\">\n      <span class=\"key\">B<\/span><span class=\"txt\">reflectively<\/span>\n    <\/label>\n    <label class=\"opt\">\n      <input type=\"radio\" name=\"toeicq_467260_0\" value=\"C\">\n      <span class=\"key\">C<\/span><span class=\"txt\">reflection<\/span>\n    <\/label>\n    <label class=\"opt\">\n      <input type=\"radio\" name=\"toeicq_467260_0\" value=\"D\">\n      <span class=\"key\">D<\/span><span class=\"txt\">reflected<\/span>\n    <\/label>\n  <\/div>\n  <div class=\"toggle\" style=\"margin-top:10px;\">\n    <label class=\"btn\" for=\"show_toeicq_467260_0\">\uc815\ub2f5 \ud655\uc778\ud558\uae30<\/label>\n    <span class=\"subtle\">\ubcf4\uae30 \uc120\ud0dd \ud6c4 \ud074\ub9ad<\/span>\n  <\/div>\n  <div class=\"answer\">\n    <div><strong>\uc815\ub2f5:<\/strong> A<\/div>\n    <div style=\"margin-top:6px;\"><strong>\ud574\uc11d:<\/strong> \uc9d1\ud569 A \uc704\uc758 \uc774\ud56d \uad00\uacc4 R\uc740 A\uc758 \ubaa8\ub4e0 \uc694\uc18c\uac00 \uc790\uae30 \uc790\uc2e0\uacfc \uad00\uacc4\ub97c \uac00\uc9c8 \ub54c _______\ud558\ub2e4\uace0 \ub9d0\ud569\ub2c8\ub2e4.<\/div>\n    <div style=\"margin-top:6px;\"><strong>\ud574\uc124:<\/strong> \ubb38\ub9e5\uc0c1 &#39;is said to be&#39; \ub2e4\uc74c\uc5d0\ub294 \uad00\uacc4\uc758 \uc0c1\ud0dc\ub97c \uc124\uba85\ud558\ub294 \ud615\uc6a9\uc0ac\uac00 \uc640\uc57c \ud569\ub2c8\ub2e4. &#39;reflexive&#39;\ub294 &#39;\uc7ac\uadc0\uc801\uc778&#39;\uc774\ub77c\ub294 \ub73b\uc758 \ud615\uc6a9\uc0ac\ub85c, \uc7ac\uadc0 \uad00\uacc4\uc758 \uc815\uc758\ub97c \uc815\ud655\ud788 \ub098\ud0c0\ub0c5\ub2c8\ub2e4. &#39;reflectively&#39;\ub294 \ubd80\uc0ac, &#39;reflection&#39;\uc740 \uba85\uc0ac, &#39;reflected&#39;\ub294 \ub3d9\uc0ac\uc758 \uacfc\uac70\ud615 \ub610\ub294 \uacfc\uac70\ubd84\uc0ac\ud615\uc774\ubbc0\ub85c \uc801\uc808\ud558\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4.<\/div>\n  <\/div>\n<\/div>\n<div class=\"q\">\n  <div class=\"meta\">[TOEIC RC Part 5] 2 &#8211; Grammar: Subject-verb agreement<\/div>\n  <div class=\"stem\">An equivalence relation _______ three key properties: reflexivity, symmetry, and transitivity.<\/div>\n  <input type=\"checkbox\" id=\"show_toeicq_232587_1\" hidden>\n  <div class=\"options\">\n    <label class=\"opt\">\n      <input type=\"radio\" name=\"toeicq_232587_1\" value=\"A\">\n      <span class=\"key\">A<\/span><span class=\"txt\">possess<\/span>\n    <\/label>\n    <label class=\"opt is-correct\">\n      <input type=\"radio\" name=\"toeicq_232587_1\" value=\"B\">\n      <span class=\"key\">B<\/span><span class=\"txt\">possesses<\/span>\n    <\/label>\n    <label class=\"opt\">\n      <input type=\"radio\" name=\"toeicq_232587_1\" value=\"C\">\n      <span class=\"key\">C<\/span><span class=\"txt\">possessing<\/span>\n    <\/label>\n    <label class=\"opt\">\n      <input type=\"radio\" name=\"toeicq_232587_1\" value=\"D\">\n      <span class=\"key\">D<\/span><span class=\"txt\">possessed<\/span>\n    <\/label>\n  <\/div>\n  <div class=\"toggle\" style=\"margin-top:10px;\">\n    <label class=\"btn\" for=\"show_toeicq_232587_1\">\uc815\ub2f5 \ud655\uc778\ud558\uae30<\/label>\n    <span class=\"subtle\">\ubcf4\uae30 \uc120\ud0dd \ud6c4 \ud074\ub9ad<\/span>\n  <\/div>\n  <div class=\"answer\">\n    <div><strong>\uc815\ub2f5:<\/strong> B<\/div>\n    <div style=\"margin-top:6px;\"><strong>\ud574\uc11d:<\/strong> \ub3d9\uce58 \uad00\uacc4\ub294 \uc7ac\uadc0\uc131, \ub300\uce6d\uc131, \ucd94\uc774\uc131\uc774\ub77c\ub294 \uc138 \uac00\uc9c0 \uc8fc\uc694 \uc18d\uc131\uc744 _______.<\/div>\n    <div style=\"margin-top:6px;\"><strong>\ud574\uc124:<\/strong> \uc8fc\uc5b4 &#39;An equivalence relation&#39;\uc740 \ub2e8\uc218\uc774\ubbc0\ub85c, \ud604\uc7ac \uc2dc\uc81c \ub3d9\uc0ac\ub294 \ub2e8\uc218\ud615 &#39;possesses&#39;\uac00 \ub418\uc5b4\uc57c \ud569\ub2c8\ub2e4. &#39;possess&#39;\ub294 \ubcf5\uc218 \uc8fc\uc5b4\uc640 \ud568\uaed8 \uc0ac\uc6a9\ub418\uba70, &#39;possessing&#39;\uc740 \ud604\uc7ac\ubd84\uc0ac, &#39;possessed&#39;\ub294 \uacfc\uac70\ud615 \ub610\ub294 \uacfc\uac70\ubd84\uc0ac\ud615\uc785\ub2c8\ub2e4. \ubb38\ub9e5\uc0c1 \ud604\uc7ac\uc758 \uc0ac\uc2e4\uc744 \uae30\uc220\ud558\ubbc0\ub85c &#39;possesses&#39;\uac00 \uc62c\ubc14\ub985\ub2c8\ub2e4.<\/div>\n  <\/div>\n<\/div>\n<div class=\"q\">\n  <div class=\"meta\">[TOEIC RC Part 5] 3 &#8211; Grammar: Preposition<\/div>\n  <div class=\"stem\">A binary relation is a set of ordered pairs, typically defined _______ two sets.<\/div>\n  <input type=\"checkbox\" id=\"show_toeicq_849490_2\" hidden>\n  <div class=\"options\">\n    <label class=\"opt\">\n      <input type=\"radio\" name=\"toeicq_849490_2\" value=\"A\">\n      <span class=\"key\">A<\/span><span class=\"txt\">for<\/span>\n    <\/label>\n    <label class=\"opt\">\n      <input type=\"radio\" name=\"toeicq_849490_2\" value=\"B\">\n      <span class=\"key\">B<\/span><span class=\"txt\">on<\/span>\n    <\/label>\n    <label class=\"opt is-correct\">\n      <input type=\"radio\" name=\"toeicq_849490_2\" value=\"C\">\n      <span class=\"key\">C<\/span><span class=\"txt\">between<\/span>\n    <\/label>\n    <label class=\"opt\">\n      <input type=\"radio\" name=\"toeicq_849490_2\" value=\"D\">\n      <span class=\"key\">D<\/span><span class=\"txt\">into<\/span>\n    <\/label>\n  <\/div>\n  <div class=\"toggle\" style=\"margin-top:10px;\">\n    <label class=\"btn\" for=\"show_toeicq_849490_2\">\uc815\ub2f5 \ud655\uc778\ud558\uae30<\/label>\n    <span class=\"subtle\">\ubcf4\uae30 \uc120\ud0dd \ud6c4 \ud074\ub9ad<\/span>\n  <\/div>\n  <div class=\"answer\">\n    <div><strong>\uc815\ub2f5:<\/strong> C<\/div>\n    <div style=\"margin-top:6px;\"><strong>\ud574\uc11d:<\/strong> \uc774\ud56d \uad00\uacc4\ub294 \uc77c\ubc18\uc801\uc73c\ub85c \ub450 \uc9d1\ud569 _______ \uc815\uc758\ub418\ub294 \uc21c\uc11c\uc30d\uc758 \uc9d1\ud569\uc785\ub2c8\ub2e4.<\/div>\n    <div style=\"margin-top:6px;\"><strong>\ud574\uc124:<\/strong> &#39;defined between two sets&#39;\ub294 \ub450 \uac1c\uc758 \ub3c5\ub9bd\ub41c \uc9d1\ud569 \uc0ac\uc774\uc758 \uad00\uacc4\ub97c \uc124\uba85\ud560 \ub54c \uc0ac\uc6a9\ub418\ub294 \uc815\ud655\ud55c \uc804\uce58\uc0ac \uad6c\uc785\ub2c8\ub2e4. &#39;on&#39;\uc740 \uc8fc\ub85c \ub2e8\uc77c \uc9d1\ud569 \uc704\uc5d0 \uad00\uacc4\uac00 \uc815\uc758\ub420 \ub54c \uc0ac\uc6a9\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/div>\n  <\/div>\n<\/div>\n<div class=\"q\">\n  <div class=\"meta\">[TOEIC RC Part 5] 4 &#8211; Grammar: Conjunction<\/div>\n  <div class=\"stem\">For a relation to be a partial order, it must be reflexive, antisymmetric, _______ transitive.<\/div>\n  <input type=\"checkbox\" id=\"show_toeicq_114389_3\" hidden>\n  <div class=\"options\">\n    <label class=\"opt\">\n      <input type=\"radio\" name=\"toeicq_114389_3\" value=\"A\">\n      <span class=\"key\">A<\/span><span class=\"txt\">but also<\/span>\n    <\/label>\n    <label class=\"opt is-correct\">\n      <input type=\"radio\" name=\"toeicq_114389_3\" value=\"B\">\n      <span class=\"key\">B<\/span><span class=\"txt\">and<\/span>\n    <\/label>\n    <label class=\"opt\">\n      <input type=\"radio\" name=\"toeicq_114389_3\" value=\"C\">\n      <span class=\"key\">C<\/span><span class=\"txt\">though<\/span>\n    <\/label>\n    <label class=\"opt\">\n      <input type=\"radio\" name=\"toeicq_114389_3\" value=\"D\">\n      <span class=\"key\">D<\/span><span class=\"txt\">despite<\/span>\n    <\/label>\n  <\/div>\n  <div class=\"toggle\" style=\"margin-top:10px;\">\n    <label class=\"btn\" for=\"show_toeicq_114389_3\">\uc815\ub2f5 \ud655\uc778\ud558\uae30<\/label>\n    <span class=\"subtle\">\ubcf4\uae30 \uc120\ud0dd \ud6c4 \ud074\ub9ad<\/span>\n  <\/div>\n  <div class=\"answer\">\n    <div><strong>\uc815\ub2f5:<\/strong> B<\/div>\n    <div style=\"margin-top:6px;\"><strong>\ud574\uc11d:<\/strong> \uc5b4\ub5a4 \uad00\uacc4\uac00 \ubd80\ubd84 \uc21c\uc11c \uad00\uacc4\uac00 \ub418\ub824\uba74, \uc7ac\uadc0\uc801\uc774\uace0, \ubc18\ub300\uce6d\uc801\uc774\uba70, _______ \ucd94\uc774\uc801\uc774\uc5b4\uc57c \ud569\ub2c8\ub2e4.<\/div>\n    <div style=\"margin-top:6px;\"><strong>\ud574\uc124:<\/strong> \uc138 \uac00\uc9c0 \ud544\uc218 \uc18d\uc131(reflexive, antisymmetric, transitive)\uc744 \ub098\uc5f4\ud560 \ub54c\ub294 \ub9c8\uc9c0\ub9c9 \uc694\uc18c \uc55e\uc5d0 &#39;and&#39;\ub97c \uc0ac\uc6a9\ud558\uc5ec \ubaa8\ub450 \ud574\ub2f9\ub428\uc744 \ub098\ud0c0\ub0c5\ub2c8\ub2e4. &#39;but also&#39;\ub294 \ucd94\uac00\uc801\uc778 \ub300\uc870\ub97c \ub098\ud0c0\ub0bc \ub54c, &#39;though&#39;\uc640 &#39;despite&#39;\ub294 \uc591\ubcf4\ub97c \ub098\ud0c0\ub0bc \ub54c \uc0ac\uc6a9\ub418\ubbc0\ub85c \ubb38\ub9e5\uc5d0 \ub9de\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4.<\/div>\n  <\/div>\n<\/div>\n<div class=\"q\">\n  <div class=\"meta\">[TOEIC RC Part 5] 5 &#8211; Grammar: Word Form<\/div>\n  <div class=\"stem\">The _______ of a relation ensures that if &#39;a&#39; is related to &#39;b&#39;, then &#39;b&#39; is also related to &#39;a&#39;.<\/div>\n  <input type=\"checkbox\" id=\"show_toeicq_81695_4\" hidden>\n  <div class=\"options\">\n    <label class=\"opt\">\n      <input type=\"radio\" name=\"toeicq_81695_4\" value=\"A\">\n      <span class=\"key\">A<\/span><span class=\"txt\">symmetric<\/span>\n    <\/label>\n    <label class=\"opt\">\n      <input type=\"radio\" name=\"toeicq_81695_4\" value=\"B\">\n      <span class=\"key\">B<\/span><span class=\"txt\">symmetrically<\/span>\n    <\/label>\n    <label class=\"opt is-correct\">\n      <input type=\"radio\" name=\"toeicq_81695_4\" value=\"C\">\n      <span class=\"key\">C<\/span><span class=\"txt\">symmetry<\/span>\n    <\/label>\n    <label class=\"opt\">\n      <input type=\"radio\" name=\"toeicq_81695_4\" value=\"D\">\n      <span class=\"key\">D<\/span><span class=\"txt\">symmetrize<\/span>\n    <\/label>\n  <\/div>\n  <div class=\"toggle\" style=\"margin-top:10px;\">\n    <label class=\"btn\" for=\"show_toeicq_81695_4\">\uc815\ub2f5 \ud655\uc778\ud558\uae30<\/label>\n    <span class=\"subtle\">\ubcf4\uae30 \uc120\ud0dd \ud6c4 \ud074\ub9ad<\/span>\n  <\/div>\n  <div class=\"answer\">\n    <div><strong>\uc815\ub2f5:<\/strong> C<\/div>\n    <div style=\"margin-top:6px;\"><strong>\ud574\uc11d:<\/strong> \uad00\uacc4\uc758 _______\ub294 &#39;a&#39;\uac00 &#39;b&#39;\uc640 \uad00\uacc4\ub97c \uac00\uc9c8 \ub54c, &#39;b&#39;\ub3c4 &#39;a&#39;\uc640 \uad00\uacc4\ub97c \uac00\uc9c4\ub2e4\ub294 \uac83\uc744 \ubcf4\uc7a5\ud569\ub2c8\ub2e4.<\/div>\n    <div style=\"margin-top:6px;\"><strong>\ud574\uc124:<\/strong> \ubb38\uc7a5 \uad6c\uc870\uc0c1 &#39;The _______ of a relation&#39; \uc790\ub9ac\uc5d0\ub294 \uba85\uc0ac\uac00 \uc640\uc57c \ud569\ub2c8\ub2e4. &#39;symmetry&#39;\ub294 &#39;\ub300\uce6d\uc131&#39;\uc774\ub77c\ub294 \uba85\uc0ac\ub85c, \uc8fc\uc5b4\uc9c4 \ubb38\ub9e5\uc5d0 \uac00\uc7a5 \uc801\ud569\ud55c \ub2e8\uc5b4\uc785\ub2c8\ub2e4. &#39;symmetric&#39;\uc740 \ud615\uc6a9\uc0ac, &#39;symmetrically&#39;\ub294 \ubd80\uc0ac, &#39;symmetrize&#39;\ub294 \ub3d9\uc0ac\uc785\ub2c8\ub2e4.<\/div>\n  <\/div>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>[TOEIC RC Part 5] 1 &#8211; Grammar: Word Form A binary relation R on a set A is said to be _______ if every element in A is related to itself. Areflexive Breflectively Creflection Dreflected \uc815\ub2f5 \ud655\uc778\ud558\uae30 \ubcf4\uae30 \uc120\ud0dd \ud6c4 \ud074\ub9ad \uc815\ub2f5: A \ud574\uc11d: \uc9d1\ud569 A \uc704\uc758 \uc774\ud56d \uad00\uacc4 R\uc740 A\uc758 \ubaa8\ub4e0 \uc694\uc18c\uac00 \uc790\uae30 \uc790\uc2e0\uacfc [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"_uf_show_specific_survey":0,"_uf_disable_surveys":false,"footnotes":""},"categories":[322],"tags":[],"_links":{"self":[{"href":"https:\/\/dohokin.com\/index.php?rest_route=\/wp\/v2\/posts\/6020"}],"collection":[{"href":"https:\/\/dohokin.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/dohokin.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/dohokin.com\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/dohokin.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=6020"}],"version-history":[{"count":0,"href":"https:\/\/dohokin.com\/index.php?rest_route=\/wp\/v2\/posts\/6020\/revisions"}],"wp:attachment":[{"href":"https:\/\/dohokin.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=6020"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/dohokin.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=6020"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/dohokin.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=6020"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}