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,在意義上相當于if…not,因此在有些場合中unless與if…not可互換使用,引導(dǎo)條件狀語從句;D. if“如果”,引導(dǎo)條件狀語從句。根據(jù)句意“休息好”是“關(guān)注、計劃和保持活力的能力”的前提,故選C。12.I didn39。t realize he was a famous scientist you told me.A.until B.because C.since【答案】A【解析】句意:直到你告訴我,我才知道他是一位出名的科學(xué)家。A. until到…為止;B. because 因為;C. since既然,因為。本題考查固定句式not…until…直到……才。其用法是如果(主)句中的謂語是終止性動詞,應(yīng)采用“not…until”結(jié)構(gòu),意為“到……時候才” 根據(jù)句子結(jié)構(gòu),結(jié)合選項,故選A。13.I didn’t _____ you were going to leave_____ 3 o’clock.A.find。 at B.realize。 untilC.remember。 before D.tell。 after【答案】B【解析】【詳解】句意:我沒有意識到你將3點離開??疾閯釉~辨析。find找到; realize意識到; remember記??; tell告訴;until 是直到。根據(jù)句意,故選B。14.You39。d better get home earlier today we can go out for a big meal.A.in order to B.such that C.so that D.in order【答案】C【解析】句意:你最好今天早點回家,這樣我們就可以出去吃大餐了。A. in order to 為了,后跟動詞原形;B. such that沒有此用法;C. so that為了,引導(dǎo)目的狀語從句;D. in order+that+從句,引導(dǎo)目的狀語從句。we can go out for a big meal表示目的的完整句子,所以使用連詞詞組so that。故選:C。15. ______ Mike didn’t win the race , he was still wearing a smile on his face.A.If B.Since C.Although D.Because【答案】C【解析】【詳解】句意:雖然邁克沒有贏了比賽,但是他臉上仍然帶著笑容。A. If 如果,引導(dǎo)條件狀語從句;B. Since 由于,引導(dǎo)原因狀語從句;C. Although 盡管,雖然,引導(dǎo)讓步狀語從句;D. Because 因為,引導(dǎo)原因狀語從句。根據(jù)句意,故選C。 16.– Thank you for telling me so much knowledge about nature.–Don’t mention it. ______ you have more questions, e to me any time.A.IfB.BecauseC.Though【答案】A【解析】句意:——謝謝你告訴我這么多關(guān)于自然的知識?!獎e提了。如果你有更多的問題,隨時找我??疾檫B詞辨析題。本句是條件狀語從句,需用if連接,而because表原因,though表讓步,都可排除。根據(jù)句意結(jié)構(gòu)和語境,可知選A。17. Square Dancing is good exercise for the old, sometimes it makes a lot of noise.A.IfB.AlthoughC.UntilD.Because【答案】B【解析】【詳解】句意:雖然廣場舞對老年人來說是很好的運動,但有時也會制造很大的噪音。A. If連詞,如果,引導(dǎo)條件狀語從句;B. Although連詞,雖然、即使,引導(dǎo)讓步狀語從句;C. Until連詞,直到,引導(dǎo)時間狀語從句。D. Because連詞,因為,引導(dǎo)原因狀語從句。根據(jù)前后文之間的“讓步”關(guān)系可知,選用although。故選:B。18.— What were you doing ______ I