【正文】
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,引導條件狀語從句;B. Since 由于,引導原因狀語從句;C. Although 盡管,雖然,引導讓步狀語從句;D. Because 因為,引導原因狀語從句。根據(jù)句意,故選C。 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了雨中。A. until直到……; B. after在……之后;C. before在……之前;D. unless除非,rush into沖進,根據(jù)對句子的分析,可知在我能夠阻止她之前,她沖進了雨中,故選擇C。考點:考查介詞的用法。26.Many people still try to climb Qomolangma every year _______ it is very dangerous.A.when B.if C.though【答案】C【解析】句意:每年許多人仍然努力登上珠穆朗瑪峰,盡管它是非常危險的。when 當……時候;if如果;though盡管。結(jié)合句意,可知盡管危險,人們還在攀登珠穆朗瑪峰,表示讓步關系,故用連詞though。故選C。27.No matter ________________, you must follow the school rules.A.where are you B.what do you doC.who are you D.who you are【答案】D【解析】【分析】【詳解】句意:無論你是誰,你都應該遵守學校的規(guī)章制度。此題考查狀語從句。根據(jù)語序用陳述語序,應選D。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。如果人類不停止為了虎皮和虎骨獵殺老虎,情況會繼續(xù)。,表示條件;,表示相反的條件;,表示原因;,表示時間的起點;既然,表示原因。“如果不”停止,情況會繼續(xù)。故選B??键c:考查連詞的用法29.I’ll go to visit my aunt in England _______ the summer holiday starts.A.while B.since C.until D.a(chǎn)s soon as【答案】D【解析】【詳解】句意:暑假一開始,我就要去看望我在英國的姑姑??疾檫B詞辨析。A.while正當……的時候;B.since因為;C.until 直到;D.a(chǎn)s soon as一……就……。此處是時間狀語從句, 據(jù)題意,故選D。30.He didn’t go to school yesterday _______ he was ill.A.because B.because of C.if D.so【答案】A【解析】【詳解】句意:他昨天沒去上學,因為他病了。本題的含義是昨天他沒有去上學,“他病了”應該是他沒上學的原因,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。故選A。