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步狀語(yǔ)從句;because 因?yàn)椋龑?dǎo)原因狀語(yǔ)從句。根據(jù)題干We’ll go to the farm and help the farmers with the applepicking if it ,if引導(dǎo)的條件狀語(yǔ)從句,主句用將來時(shí),從句需用一般現(xiàn)在時(shí),句意是“明天不下雨”,rain是實(shí)意動(dòng)詞,主語(yǔ)是it,變否定用助動(dòng)詞doesn’t。三、如果主句是含有情態(tài)動(dòng)詞的一般現(xiàn)在時(shí),根據(jù)需要從句多用一般現(xiàn)在時(shí) 如:You should be quiet when you are in the reading room 在閱覽室時(shí)應(yīng)保持安靜 四. 如果if的條件狀語(yǔ)從句遇到變換間接和直接時(shí) , 祈使句應(yīng)用not to.... 如。so修飾形容詞或副詞,such修飾名詞或名詞性短語(yǔ)。ll lose the game we try our best.A.unless B.if C.until D.since【答案】A【解析】【詳解】句意:——戴夫,我們開始訓(xùn)練籃球比賽吧。根據(jù)語(yǔ)境“我們會(huì)輸?shù)舯荣?,除非我們盡最大努力”可知,正確答案是 A。本題考查從屬連詞的用法。13.The bell rang ________the teacher was explaining the experiment to the students.A.until B.before C.while D.a(chǎn)fter【答案】C【解析】句意“老師正向?qū)W生們解釋這個(gè)實(shí)驗(yàn),下課鈴聲響了。句意:為了趕上末班車,我現(xiàn)在必須離開了。15.If the kids stay indoors all the time and get no exercise, they _________ weak.A.bee B.have bee C.will bee D.became【答案】C【解析】【詳解】句意:如果孩子們一直呆在室內(nèi)并且得不到鍛煉,他們將變得很虛弱。A.while正當(dāng)……的時(shí)候;B.since因?yàn)?;C.until 直到;D.a(chǎn)s soon as一……就……。 / C.Because。本題考查連詞的用法。如果人類不停止為了虎皮和虎骨獵殺老虎,情況會(huì)繼續(xù)??键c(diǎn):考查連詞的用法19.Shall we go for a piic in the forest park tomorrow? Yes, it rains heavily.A.if39。結(jié)合句意可知是unless引導(dǎo)的條件狀語(yǔ)從句,故選B考點(diǎn):考查連詞的用法。本句是條件狀語(yǔ)從句,根據(jù)句意語(yǔ)境,可知if不合句意,故選A。表示結(jié)果;C. so that 以便,為了,表示目的;D. even though盡管,即使,表示條件。22. Excuse me. Is it my turn now? Not yet. Please wait outside ________ your name is called.A.untilB.sinceC.so【答案】A【解析】句意: 打擾一下。23. 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。A. because因?yàn)?;B. if如果;C. when 當(dāng)……的時(shí)候;D. although盡管,雖然??疾檫B詞辨析。26.________ jeans were invented over 100 years ago, they39。結(jié)合句意,牛仔褲被發(fā)明了100多年,現(xiàn)在仍然流行。A. even though盡管,即使,引導(dǎo)讓步狀語(yǔ)從句;B. since意為“自從”,引導(dǎo)時(shí)間狀語(yǔ)從句;意為“既然”,引導(dǎo)原因狀語(yǔ)從句;C. unless除非,如果不,引導(dǎo)條件狀語(yǔ)從句。句意:當(dāng)我回來時(shí),我發(fā)現(xiàn)我的母親正在為我做飯。根據(jù)語(yǔ)序用陳述語(yǔ)序,應(yīng)選