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。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。此處是時間狀語從句, 據(jù)題意,故選D??疾檫B詞辨析。是固定搭配,故選A。;不到Not until 直到時候;D. since自從。B. after在…以后。A. until到…為止,在…以前。t know the love of our parents _______ we bee parents ourselves one day.A.untilB.a(chǎn)fterC.whenD.since【答案】A【解析】句意:直到有一天我們成為父母,才知道父母的愛??键c:考查連詞辨析。A.If如果; B.Though雖然,盡管; C.Unless除非。故選C。26. Tom failed in the exam ag ain ______ he tried his best.A.if B.unless C.though D.because【答案】C【解析】試題分析:句意:盡管他盡了最大努力,湯姆在考試中又不及格。so that“為的是,以便”,表示目的;unless“除非”;if“如果”;until“直到”。故選C。when 當(dāng)……時候;if如果;though盡管。根據(jù)句意,故選C。23. ______ 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。根據(jù)句意,應(yīng)選A。如果人們不停止殺害熊貓,形勢不會改變。因此,本題的最佳選項是A。21.The First Huaguoshan International Golf Open was __________ success that we enjoyed ourselves very much.A.such a great B.a(chǎn) such great C.so a great D.a(chǎn) so great【答案】A【解析】考查名詞前的限定詞用法。A表示直到…才,B表示當(dāng)…時,C表示在…之后。直到她媽媽回家她才吃飯。20.Rose cooks meals at home on Sundays. She never eats ________ her mother es back and she’d like to enjoy it together.A.until B.when C.a(chǎn)fter【答案】A【解析】考查連詞辨析。本句前后句是條件關(guān)系,可排除CD兩項??疾檫B詞用法辨析。故選B。18. Talk to your teacher and you will get help ________ you have a problem.A.unless B.ifC.until D.so【答案】B【解析】試題分析:unless除非,如果不; if是否,如果;until直到;So因此。答句是條件狀語從句,需用if連接。考查連詞辨析題。故選C??疾檫B詞用法。這里是since引導(dǎo)的時間狀語從句,主句用現(xiàn)在完成時態(tài),從句用一般過去時態(tài),其他不符合題意,故選C。之前 C. since自從 D. while當(dāng)A. until 直到15.Our teachers have been with us for nearly three years we came to junior high school. We should thank them for what they have done for us.