【正文】
。本題的含義是昨天他沒有去上學(xué),“他病了”應(yīng)該是他沒上學(xué)的原因,because后跟原因從句,because of后跟單詞或短語,if如果后接條件狀語從句,so因此。此處是時(shí)間狀語從句, 據(jù)題意,故選D??疾檫B詞辨析。故選B。表示條件;,表示相反的條件;,表示原因;,表示時(shí)間的起點(diǎn);既然,表示原因。28.There are fewer and fewer tigers in India. The situation will continue _______ humans stop hunting them for their fur and bones.A.if B.unless C.because D.since【答案】B【解析】試題分析:句意:印度有越來越少的老虎。此題考查狀語從句。故選C。when 當(dāng)……時(shí)候;if如果;though盡管。考點(diǎn):考查介詞的用法。 25. Laura opened the door and rushed into the rain _______ I could stop her.A.until B.a(chǎn)fter C.before D.unless【答案】C【解析】試題分析:句意:蘿拉打開門,在我能阻止她之前她沖進(jìn)了雨中。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?yàn)椋龑?dǎo)原因狀語從句。故答案選D。根據(jù)語境以及上下文,本題考查的是連詞的用法。23.___________ she couldn’t see his face, she could tell by his voice that he was young.A.Unless B.If C.Because D.Though【答案】D【解析】【詳解】句意:雖然她看不見他的臉,但是她能夠通過聲音分辨出他很年輕。結(jié)合選項(xiàng)的意思和句意可知,用unless。A. if“如果”;B. unless“除非;如果不”;C. until“直到”;D. since“自從;既然”?!究键c(diǎn)定位】考查連詞的用法。though雖然,盡管,引導(dǎo)讓步狀語從句; ……之前,引導(dǎo)時(shí)間狀語從句; 因?yàn)?,引?dǎo)原因狀語從句;……,引導(dǎo)時(shí)間狀語從句。根據(jù)題意,故選C。第一空是if引導(dǎo)的條件狀語從句,從句用一般現(xiàn)在時(shí)態(tài),主語是it,這里be動(dòng)詞用is。 rains【答案】C【解析】【詳解】句意:——如果這個(gè)星期天天氣好,我們?nèi)ヒ安桶伞?rains C.is fine。考查連詞辨析,as if好像,even though盡管,as long as只要,as far as據(jù)……,根據(jù)句意,﹣﹣朋友就像書籍.﹣﹣是的,我們不需要太多只要他們品質(zhì)好.故選C.20.—Let’s have a piic if it ________ this Sunday.—But nobody knows if it ________ on that day.A.will be fine。t need lots of them they are good.A.a(chǎn)s if B.even thoughC.a(chǎn)s long as D.a(chǎn)s far as【答案】C【解析】【詳解】句意:—朋友像書籍??键c(diǎn):考查連詞辨析。A.unless如果不,除非;引導(dǎo)條件狀語從句;B.once一旦……,引導(dǎo)條件狀語從句;C.when當(dāng)……時(shí),表示兩個(gè)動(dòng)作同時(shí)發(fā)生,主句一般使用過去時(shí),從句使用過去進(jìn)行時(shí);D.while當(dāng)……時(shí),表示兩個(gè)動(dòng)作同時(shí)發(fā)生,后跟延續(xù)性動(dòng)詞,從句一般使用進(jìn)行時(shí)態(tài),表示一段時(shí)間。根據(jù)題意,故選C。A. because因?yàn)椋籅. if如果;C. when 當(dāng)……的時(shí)候;D. although