【正文】 故答案選D。50．___________ 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。 will e D．es。 t know if Sam tomorrow.—Don39。由此知前后句構成“結果＋條件”的關系，即“如果你不早起，你將會遲到。【點睛】if和unless引導的條件狀語從句主將從現(xiàn)常見的有以下幾種情況：一、條件狀語從句的主句是一般將來時,那么從句常常用一般現(xiàn)在時如：When I grow up,I’ll be a nurse and look after patients我長大后要當一名護士,照顧病人二、如果主句是祈使句,那么從句通常要用一般現(xiàn)在時如：Don’t laugh at me when I make a mistake.我犯錯誤的時候不要笑話我.三、如果主句是含有情態(tài)動詞的一般現(xiàn)在時,根據(jù)需要從句多用現(xiàn)在進行時如：You should be quiet when you are in the reading room在閱覽室時應保持安靜48．You will be late for school________ you don’t get up early.A．but B．if C．a(chǎn)nd D．or【答案】B【解析】【詳解】句意：如果你不早起，你將會上學遲到。A. as soon as 一就； B. unless 除非； C. though盡管；這里是考察連詞，根據(jù)She stopped talking 和her mother came into the ，可知是媽媽一進到房間里，她就停止了說話；故選A47．If the singer ______ to Zigong ______ September 20th， please call me．A．will get；on B．gets；onC．gets；in【答案】B【解析】【詳解】句意：如果歌手9月20日到自貢，請給我打電話。D. Because連詞，因為，引導原因狀語從句。until 直到……才；if 如果；because 因為；since 自從，既然。考點：考查副詞的用法?！堑摹o論何時甚至在吃飯時他們都手里拿著手機。such后跟名詞短語，so后跟形容詞、副詞?！驹斀狻烤湟猓海蛱焱砩衔覀冊谕頃线^得多么開心啊。 such an B．How。；；；。由句意可知選D。故選C?？疾闀r態(tài)。36． ______ 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?？疾橘e語從句和結果狀語從句。 that B．that ?！究键c定位】考查連詞辨析34．—Susan，what are the advantages of MP5 players？—Mom，they are smaller and lighter________they can be carried very easily．A．unlessB．ifC．untilD．so that【答案】D【解析】【詳解】句意：——Susan，MP5播放器的優(yōu)點是什么？——媽媽，他們更小、更輕，為的是方便攜帶。所以選C。語境是：不管我做什么，我都是為你做的。Whatever無論什么；B. Wherever無論在哪里；C. Whenever無論何時；D. Whoever無論誰。A．while正當……的時候；B．since因為；C．until 直到；D．a(chǎn)s soon as一……就……。though盡管，引導讓步狀語從句；before在……之前，不符合對話的意思；as soon as一……就；as if猶如，好像。too+形容詞或副詞+to do sth.：太……而不能；enough+形容詞/副詞+to do sth.：足夠……以至于……；so+形容詞/副詞+that+句子：如此……以至于……；as…as：與……一樣……。27．Henry will give us a report as soon as he _______.A．a(chǎn)rrives B．a(chǎn)rrived C．is arriving D．will arrive【答案】A【解析】【詳解】句意：亨利一到，他就要給我們做一個報告。t cross the road the traffic lights turn green.A．until B．if C．while D．a(chǎn)s【答案】A【解析】【詳解】句意：我們要等交通信號燈變綠了才能過馬路。t find a bus. If it rains tomorrow, we will not go to the zoo. What will you do if you find a panda in danger.如果 if 條件句談論的是重復發(fā)生和預示要發(fā)生的情景和事件，則主從句大多用一般現(xiàn)在時態(tài)。條件句,放在前,逗號要放句中間。D選項是現(xiàn)在完成時態(tài)不符合題意要排除。A. though盡管； B. since自從； C. if 是否，如果； D. when當時候；根據(jù)The Italian woman didn’t feel a culture shock這個意大利婦女沒有感到一種文化沖擊，和it was her first time to 引導讓步關系狀語從句；故選A25．Mr. White tells us the calls meeting will be cancelled if no agreement _________ tomorrow.A．is reached B．will be reachedC．is going to be reached D．has been reached【答案】A【解析】【詳解】句意：懷特先生告訴我們，如果明天沒有達成協(xié)議，電話會議將取消。23．I will go to the English club tomorrow I am too busy.A．since B．if C．unless D．until【答案】C【解析】【詳解】句意：明天我將會去英語俱樂部，除非我太忙?？键c：考查連詞?？键c：考查連詞的用法。19．My English teacher has taught English she came to the school.A．sin