{"id":5632,"date":"2026-01-03T04:53:12","date_gmt":"2026-01-02T19:53:12","guid":{"rendered":"https:\/\/dohokin.com\/?p=5632"},"modified":"2026-01-03T04:53:12","modified_gmt":"2026-01-02T19:53:12","slug":"grammar-1-5-1-3-2026-dc","status":"publish","type":"post","link":"https:\/\/dohokin.com\/?p=5632","title":{"rendered":"[Grammar] 1\u20135 (1\/3\/2026) &#8211; dc"},"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\">[Grammar] 1 &#8211; Conjunction<\/div>\n  <div class=\"stem\">Direct Current (DC) is characterized by the constant flow of electricity in a single direction, ____ alternating current (AC) frequently changes direction.<\/div>\n  <input type=\"checkbox\" id=\"show_toeicq_478446_0\" hidden>\n  <div class=\"options\">\n    <label class=\"opt is-correct\">\n      <input type=\"radio\" name=\"toeicq_478446_0\" value=\"A\">\n      <span class=\"key\">A<\/span><span class=\"txt\">while<\/span>\n    <\/label>\n    <label class=\"opt\">\n      <input type=\"radio\" name=\"toeicq_478446_0\" value=\"B\">\n      <span class=\"key\">B<\/span><span class=\"txt\">despite<\/span>\n    <\/label>\n    <label class=\"opt\">\n      <input type=\"radio\" name=\"toeicq_478446_0\" value=\"C\">\n      <span class=\"key\">C<\/span><span class=\"txt\">due to<\/span>\n    <\/label>\n    <label class=\"opt\">\n      <input type=\"radio\" name=\"toeicq_478446_0\" value=\"D\">\n      <span class=\"key\">D<\/span><span class=\"txt\">as if<\/span>\n    <\/label>\n  <\/div>\n  <div class=\"toggle\" style=\"margin-top:10px;\">\n    <label class=\"btn\" for=\"show_toeicq_478446_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> \uc9c1\ub958(DC)\ub294 \uc804\uae30\uac00 \ud55c \ubc29\ud5a5\uc73c\ub85c \uafb8\uc900\ud788 \ud750\ub974\ub294 \uac83\uc774 \ud2b9\uc9d5\uc774\uba70, ____ \uad50\ub958(AC)\ub294 \ubc29\ud5a5\uc744 \uc790\uc8fc \ubc14\uafc9\ub2c8\ub2e4.<\/div>\n    <div style=\"margin-top:6px;\"><strong>\ud574\uc124:<\/strong> \ub450 \uac1c\uc758 \ub300\uc870\uc801\uc778 \uc808\uc744 \uc5f0\uacb0\ud558\ub294 \uc811\uc18d\uc0ac\uac00 \ud544\uc694\ud569\ub2c8\ub2e4. &#39;while&#39;\uc740 &#39;\ubc18\uba74\uc5d0&#39;\ub77c\ub294 \uc758\ubbf8\ub85c \ub300\uc870\ub97c \ub098\ud0c0\ub0b4\ub294 \ub370 \uc801\ud569\ud569\ub2c8\ub2e4. &#39;despite&#39;\ub294 \uc804\uce58\uc0ac\ub85c \ub4a4\uc5d0 \uba85\uc0ac(\uad6c)\uac00 \uc640\uc57c \ud558\uace0, &#39;due to&#39;\ub3c4 \uc804\uce58\uc0ac\uc774\uba70, &#39;as if&#39;\ub294 \ub9c8\uce58 ~\uc778 \uac83\ucc98\ub7fc \uc774\ub77c\ub294 \uc758\ubbf8\ub85c \ubb38\ub9e5\uc5d0 \ub9de\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4.<\/div>\n  <\/div>\n<\/div>\n<div class=\"q\">\n  <div class=\"meta\">[Vocabulary] 2 &#8211; Vocabulary (Nouns)<\/div>\n  <div class=\"stem\">Many portable electronic devices, such as smartphones and laptops, rely on DC power from their internal ____.<\/div>\n  <input type=\"checkbox\" id=\"show_toeicq_395971_1\" hidden>\n  <div class=\"options\">\n    <label class=\"opt\">\n      <input type=\"radio\" name=\"toeicq_395971_1\" value=\"A\">\n      <span class=\"key\">A<\/span><span class=\"txt\">generators<\/span>\n    <\/label>\n    <label class=\"opt is-correct\">\n      <input type=\"radio\" name=\"toeicq_395971_1\" value=\"B\">\n      <span class=\"key\">B<\/span><span class=\"txt\">batteries<\/span>\n    <\/label>\n    <label class=\"opt\">\n      <input type=\"radio\" name=\"toeicq_395971_1\" value=\"C\">\n      <span class=\"key\">C<\/span><span class=\"txt\">turbines<\/span>\n    <\/label>\n    <label class=\"opt\">\n      <input type=\"radio\" name=\"toeicq_395971_1\" value=\"D\">\n      <span class=\"key\">D<\/span><span class=\"txt\">transformers<\/span>\n    <\/label>\n  <\/div>\n  <div class=\"toggle\" style=\"margin-top:10px;\">\n    <label class=\"btn\" for=\"show_toeicq_395971_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> \uc2a4\ub9c8\ud2b8\ud3f0\uacfc \ub178\ud2b8\ubd81 \uac19\uc740 \ub9ce\uc740 \ud734\ub300\uc6a9 \uc804\uc790 \uae30\uae30\ub294 \ub0b4\uc7a5 ____\ub85c\ubd80\ud130 \uc9c1\ub958 \uc804\uc6d0\uc5d0 \uc758\uc874\ud569\ub2c8\ub2e4.<\/div>\n    <div style=\"margin-top:6px;\"><strong>\ud574\uc124:<\/strong> \ud734\ub300\uc6a9 \uc804\uc790\uae30\uae30\uc5d0 DC \uc804\uc6d0\uc744 \uacf5\uae09\ud558\ub294 \ub0b4\ubd80 \ubd80\ud488\uc740 &#39;\ubc30\ud130\ub9ac&#39;\uc785\ub2c8\ub2e4. &#39;generators&#39;\ub294 \ubc1c\uc804\uae30, &#39;turbines&#39;\ub294 \ud130\ube48, &#39;transformers&#39;\ub294 \ubcc0\uc555\uae30\ub85c \ubb38\ub9e5\uc0c1 \uc801\uc808\ud558\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4.<\/div>\n  <\/div>\n<\/div>\n<div class=\"q\">\n  <div class=\"meta\">[Grammar] 3 &#8211; Verb Form (Passive Voice)<\/div>\n  <div class=\"stem\">Before DC power can be used by most household appliances, it must first be ____ into alternating current by an inverter.<\/div>\n  <input type=\"checkbox\" id=\"show_toeicq_867500_2\" hidden>\n  <div class=\"options\">\n    <label class=\"opt\">\n      <input type=\"radio\" name=\"toeicq_867500_2\" value=\"A\">\n      <span class=\"key\">A<\/span><span class=\"txt\">converting<\/span>\n    <\/label>\n    <label class=\"opt\">\n      <input type=\"radio\" name=\"toeicq_867500_2\" value=\"B\">\n      <span class=\"key\">B<\/span><span class=\"txt\">converts<\/span>\n    <\/label>\n    <label class=\"opt is-correct\">\n      <input type=\"radio\" name=\"toeicq_867500_2\" value=\"C\">\n      <span class=\"key\">C<\/span><span class=\"txt\">converted<\/span>\n    <\/label>\n    <label class=\"opt\">\n      <input type=\"radio\" name=\"toeicq_867500_2\" value=\"D\">\n      <span class=\"key\">D<\/span><span class=\"txt\">convert<\/span>\n    <\/label>\n  <\/div>\n  <div class=\"toggle\" style=\"margin-top:10px;\">\n    <label class=\"btn\" for=\"show_toeicq_867500_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> \uc9c1\ub958 \uc804\uc6d0\uc774 \ub300\ubd80\ubd84\uc758 \uac00\uc804\uc81c\ud488\uc5d0 \uc0ac\uc6a9\ub420 \uc218 \uc788\uae30 \uc804\uc5d0, \uba3c\uc800 \uc778\ubc84\ud130\uc5d0 \uc758\ud574 \uad50\ub958\ub85c ____ \ub418\uc5b4\uc57c \ud569\ub2c8\ub2e4.<\/div>\n    <div style=\"margin-top:6px;\"><strong>\ud574\uc124:<\/strong> &quot;must be + \uacfc\uac70\ubd84\uc0ac&quot;\ub294 \uc870\ub3d9\uc0ac \ub4a4\uc5d0 \uc624\ub294 \uc218\ub3d9\ud0dc \ud615\ud0dc\uc785\ub2c8\ub2e4. \uc9c1\ub958 \uc804\uc6d0\uc774 &#39;\ubcc0\ud658\ub418\ub294&#39; \uac83\uc774\ubbc0\ub85c \uc218\ub3d9\ud0dc\uc778 &#39;converted&#39;\uac00 \uc62c\ubc14\ub978 \ud615\ud0dc\uc785\ub2c8\ub2e4.<\/div>\n  <\/div>\n<\/div>\n<div class=\"q\">\n  <div class=\"meta\">[Vocabulary] 4 &#8211; Vocabulary (Adverbs vs Adjectives)<\/div>\n  <div class=\"stem\">Early electrical systems, largely championed by Thomas Edison, were ____ based on direct current.<\/div>\n  <input type=\"checkbox\" id=\"show_toeicq_524054_3\" hidden>\n  <div class=\"options\">\n    <label class=\"opt\">\n      <input type=\"radio\" name=\"toeicq_524054_3\" value=\"A\">\n      <span class=\"key\">A<\/span><span class=\"txt\">primary<\/span>\n    <\/label>\n    <label class=\"opt is-correct\">\n      <input type=\"radio\" name=\"toeicq_524054_3\" value=\"B\">\n      <span class=\"key\">B<\/span><span class=\"txt\">primarily<\/span>\n    <\/label>\n    <label class=\"opt\">\n      <input type=\"radio\" name=\"toeicq_524054_3\" value=\"C\">\n      <span class=\"key\">C<\/span><span class=\"txt\">prime<\/span>\n    <\/label>\n    <label class=\"opt\">\n      <input type=\"radio\" name=\"toeicq_524054_3\" value=\"D\">\n      <span class=\"key\">D<\/span><span class=\"txt\">primal<\/span>\n    <\/label>\n  <\/div>\n  <div class=\"toggle\" style=\"margin-top:10px;\">\n    <label class=\"btn\" for=\"show_toeicq_524054_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> \ud1a0\uba38\uc2a4 \uc5d0\ub514\uc2a8\uc774 \ud06c\uac8c \uc639\ud638\ud588\ub358 \ucd08\uae30 \uc804\uae30 \uc2dc\uc2a4\ud15c\uc740 ____ \uc9c1\ub958\ub97c \uae30\ubc18\uc73c\ub85c \ud588\uc2b5\ub2c8\ub2e4.<\/div>\n    <div style=\"margin-top:6px;\"><strong>\ud574\uc124:<\/strong> \ub3d9\uc0ac &#39;based&#39;\ub97c \uc218\uc2dd\ud558\uc5ec &#39;\uc8fc\ub85c, \ubcf8\uc9c8\uc801\uc73c\ub85c&#39;\ub77c\ub294 \uc758\ubbf8\ub97c \ub098\ud0c0\ub0b4\uae30 \uc704\ud574\uc11c\ub294 \ubd80\uc0ac\uc778 &#39;primarily&#39;\uac00 \uc801\uc808\ud569\ub2c8\ub2e4. &#39;primary&#39;\uc640 &#39;prime&#39;\uc740 \ud615\uc6a9\uc0ac\uc774\uace0, &#39;primal&#39;\uc740 &#39;\uc6d0\uc2dc\uc801\uc778&#39;\uc774\ub77c\ub294 \ub73b\uc758 \ud615\uc6a9\uc0ac\uc785\ub2c8\ub2e4.<\/div>\n  <\/div>\n<\/div>\n<div class=\"q\">\n  <div class=\"meta\">[Grammar] 5 &#8211; Pronoun (Possessive)<\/div>\n  <div class=\"stem\">Solar panels generate direct current, and ____ conversion into usable AC power often involves an inverter.<\/div>\n  <input type=\"checkbox\" id=\"show_toeicq_761958_4\" hidden>\n  <div class=\"options\">\n    <label class=\"opt\">\n      <input type=\"radio\" name=\"toeicq_761958_4\" value=\"A\">\n      <span class=\"key\">A<\/span><span class=\"txt\">them<\/span>\n    <\/label>\n    <label class=\"opt\">\n      <input type=\"radio\" name=\"toeicq_761958_4\" value=\"B\">\n      <span class=\"key\">B<\/span><span class=\"txt\">their<\/span>\n    <\/label>\n    <label class=\"opt is-correct\">\n      <input type=\"radio\" name=\"toeicq_761958_4\" value=\"C\">\n      <span class=\"key\">C<\/span><span class=\"txt\">its<\/span>\n    <\/label>\n    <label class=\"opt\">\n      <input type=\"radio\" name=\"toeicq_761958_4\" value=\"D\">\n      <span class=\"key\">D<\/span><span class=\"txt\">it<\/span>\n    <\/label>\n  <\/div>\n  <div class=\"toggle\" style=\"margin-top:10px;\">\n    <label class=\"btn\" for=\"show_toeicq_761958_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> \ud0dc\uc591 \uc804\uc9c0\ud310\uc740 \uc9c1\ub958\ub97c \uc0dd\uc131\ud558\uba70, ____ \uc0ac\uc6a9 \uac00\ub2a5\ud55c \uad50\ub958 \uc804\ub825\uc73c\ub85c\uc758 \ubcc0\ud658\uc5d0\ub294 \uc885\uc885 \uc778\ubc84\ud130\uac00 \ud544\uc694\ud569\ub2c8\ub2e4.<\/div>\n    <div style=\"margin-top:6px;\"><strong>\ud574\uc124:<\/strong> &#39;conversion&#39;\uc744 \uc218\uc2dd\ud558\ub294 \uc18c\uc720\uaca9 \ub300\uba85\uc0ac\uac00 \ud544\uc694\ud569\ub2c8\ub2e4. &#39;direct current&#39;\uc758 \ubcc0\ud658\uc774\ubbc0\ub85c \ub2e8\uc218 \uba85\uc0ac\ub97c \ubc1b\ub294 \uc18c\uc720\uaca9 &#39;its&#39;\uac00 \uc62c\ubc14\ub978 \ud45c\ud604\uc785\ub2c8\ub2e4. &#39;them&#39;, &#39;it&#39;\uc740 \ubaa9\uc801\uaca9\/\uc8fc\uaca9 \ub300\uba85\uc0ac\uc774\uace0, &#39;their&#39;\ub294 \ubcf5\uc218 \uba85\uc0ac\ub97c \ubc1b\uc2b5\ub2c8\ub2e4.<\/div>\n  <\/div>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>[Grammar] 1 &#8211; Conjunction Direct Current (DC) is characterized by the constant flow of electricity in a single direction, ____ alternating current (AC) frequently changes direction. Awhile Bdespite Cdue to Das if \uc815\ub2f5 \ud655\uc778\ud558\uae30 \ubcf4\uae30 \uc120\ud0dd \ud6c4 \ud074\ub9ad \uc815\ub2f5: A \ud574\uc11d: \uc9c1\ub958(DC)\ub294 \uc804\uae30\uac00 \ud55c \ubc29\ud5a5\uc73c\ub85c \uafb8\uc900\ud788 \ud750\ub974\ub294 \uac83\uc774 \ud2b9\uc9d5\uc774\uba70, ____ \uad50\ub958(AC)\ub294 \ubc29\ud5a5\uc744 \uc790\uc8fc \ubc14\uafc9\ub2c8\ub2e4. \ud574\uc124: [&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\/5632"}],"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=5632"}],"version-history":[{"count":0,"href":"https:\/\/dohokin.com\/index.php?rest_route=\/wp\/v2\/posts\/5632\/revisions"}],"wp:attachment":[{"href":"https:\/\/dohokin.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=5632"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/dohokin.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=5632"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/dohokin.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=5632"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}