2017屆高考英語Unit 5 The power of nature精講精練復習
—i’m afraid not.he is said________the stage already as he has become an official.
a.to have left b.to leave
c.to have been left d.to be left
【解析】 本題考查 sb.is said to do結構。sb.is said to do意為“據說某人......”，相當于 it is said that...；根據題意，說明他已經離開舞臺了，所以用 sb.is said to have done。
【答案】 a
3.(XX屆甘肅天水一中段考)the flu is believed________by viruses that like to reproduce in the cells inside the human nose and throat.
a.causing b.being caused
c.to be caused d.to have caused
【解析】 考查特殊句式。句意為：人們認為感冒是由喜歡在人的鼻子和喉嚨的細胞中自我復制的病毒引起的。本句是“it’s believed that the flu is caused by viruses that like to reproduce in the cells inside the human nose and throat.”的另外一種表達形式。
【答案】 c
4.tom is said________in africa，but no one really knows how soon he will be back.
a.travels b.to travel
c.to be travelling d.travelled
【解析】 從下句“沒有人真正知道過多久他才會回來”可看出湯姆正在非洲旅行，用sb.is said to do這一基本句式。如果表示“據說某人/某物正在干某事”，就要用不定式的進行時表示正在進行的動作或狀態。
【答案】 c
5.________in ancient times people were used to working together.
a.it says b.what says is that
c.it thought that d.it is said that
【解析】 it is /was said that...意思是“據說……”。還可以表達為people say that...。
【答案】 d
ⅳ.語法專練
本單元語法—v.ing形式
1.(XX年湖南三十校聯考)having got up late this morning，mike ran as fast as he could________to catch the bus.
a.hope b.to hope
c.hoped d.hoping
【解析】 考查非謂語動詞。該處要用現在分詞作伴隨狀語，to catch the bus才是真正的目的狀語。hoping這個動作在此與ran同時發生，表伴隨。
【答案】 d
2.(XX年綿陽市第二次診斷)________the youth to the rising sun at 8 or 9 o’clock a.m.，mao zedong expressed his great hope for the young men.
a.compared b.to compare
c.compare d.comparing
【解析】 考查非謂語動詞。從句意和結構上可以看出compare與主語mao zedong是主動關系，因此應該使用現在分詞comparing。
【答案】 d
3.(XX年石家莊檢測)the teacher called tom to his office because he was caught________in the exam.
a.to cheat b.cheating
c.cheated d.cheat
【解析】 考查非謂語動詞。catch sb.doing sth.意為“逮住/發現某人做某事”。句意為：老師讓湯姆到他辦公室，因為他在考試中被發現作弊。
【答案】 b