2019-2020年高考英語題型步步銜接 專題15 單項(xiàng)填空.doc

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2019-2020年高考英語題型步步銜接 專題15 單項(xiàng)填空【母題來源】【xx重慶卷高考單項(xiàng)填空】【母題原題】【xx重慶】4. If you miss this chance, it may be years _ you get another one.A. as B. before C. since D. after【參考答案】B【命題意圖】本題考查了學(xué)生的語境理解能力和狀語從句的用法。【考試方向】考查before引導(dǎo)的狀語從句的用法。【得分要點(diǎn)】連詞的辨析一直都是選擇題的重點(diǎn)，用法靈活，故切入點(diǎn)就是當(dāng)時(shí)的語境即句意所提供的場(chǎng)景，來判斷句子之間的隸屬關(guān)系；It + will be + 時(shí)間段 + before等表示“在之后才”的句型總結(jié)一、用于句型“It + will be + 時(shí)間段 + before.”句型中，表示“要過多久才”，也可用于“It + may be + 時(shí)間段 + before.”，表示“也許要過多久才”。Before 后的句子中用一般現(xiàn)在時(shí)態(tài)。其否定形式“It will/would not be +時(shí)間段+ before”表示“不久就，過不了多久就”。1Jenny, will you leave now?NoIt will be two weeks _ I leave hereAwhile Bsince Cbefore Dwhen【答案】C2Scientists say it may be five or six years _ it is possible to test this medicine on human patients.A. since B. after C. before D. When【答案】C考點(diǎn)：考查連詞3It was going to be some time _ he would see his father again. A. before B. after C. since D. When【答案】A考點(diǎn)：考查連詞