21. Recycling is one way to protect the environment; reusing is ________.
A. another
B. the other
C. one another
D. one
21.【答案】A。
【解析】考查代词。句意:回收是保护环境的一种方法,再利用是另一种。another通常指三者或三者以上中的另外一个,表示泛指; the other特指两者中的另一个;one another互相;one泛指一个。根据句意可知,故选A。
22. —Mr Hu, can you tell us how to learn math well?
—Sure. But remember nothing can be learned ________ hard work.
A. by
B. at
C. without
D. for
22.【答案】C。
【解析】考查介词用法。句意:—胡先生,你能告诉我怎样学好数学吗?—能,但要记住不努力学习什么也学不了。用介词without无,没有,故选C。
23. This washing machine is environmentally friendly because it uses ________ water and electricity than ________ models.
A. less; older
B. less; elder
C. fewer; older
D. fewer; elder
23.【答案】A。
【解析】考查比较级。句意:这台洗衣机是环保的,因为它比老型号洗衣机消耗的水和电更少。water and electricity为不可数名词,故排除C、D两项。elder年长的;older更加旧的,故选A。
24. —Where is Bob?
—He ________ to Harbin for a meeting.
A. went
B. has been
C. has gone
D. go
24.【答案】C。
【解析】考查动词时态。句意:—鲍勃去了哪里?—他去了北京开会。have been to指“去过(已经回来)”;have gone to指“去了(未回来)”。根据句意,故选C。
25. Which do you enjoy ________ your holiday, going abroad or staying at home?
A. spending
B. to spend
C. being spent
D. spend
25.【答案】B。
【解析】考查目的状语。句意:出国或者在家,你更喜欢以哪种方式度过假期呢?此题极易受enjoy后接动词-ing形式的干扰,从而错选A或C。其实,enjoy的宾语是which,即在going abroad与staying at home作出选择。to spend your holiday是作目的状语的,故选B。
26. —How’s your tour around the North Lake? Is it beautiful?
—It ________ be, but it is now heavily polluted.
A. will
B. would
C. should
D. must
26.【答案】C。
【解析】考查情态动词表推测。句意:—你在北海周围的旅行怎么样?它漂亮吗?—它本应该是漂亮的,但是现在被严重污染了。Should在此处表示推测,意为“本应该”,故选C。
27. Would you like a cup of coffee ________ shall we get down to business right away?
A. and
B. then
C. or
D. otherwise
27.【答案】C。
【解析】考查连词。句意:你想来一杯咖啡吗?还是马上谈正事?or连接两个一般疑问句,表示选择,意为“或者,还是”,故选C。
28 I remember her face but I cannot ________ where I met her.
A. recall
B. remind
C. remain
D. remark
28.【答案】A。
【解析】考查动词辨析。句意:我记得她的脸,但我不能想起我在哪里见过她。A选项recall表示“想起,回忆起”,相当于“bring back to the mind”;B选项remind表示“使想起,使记忆”,remind sb. of...使……想起;C选项remain表示“仍然,保持不变”;D选项remark表示“注意,观察,谈论”。根据句意,故选A。
29. Both rice and wheat ________ grown in our country.
A. is
B. are
C. was
D. were
29.【答案】B。
【解析】考查主谓一致。句意:我国种植水稻和小麦。both...and...连接两个并列主语时,句子的谓语动词要用复数。又因为此处表述的是客观事实,因此用一般现在时,故选B。
30. Before a problem can be solved, it must be obvious ________ the problem itself is.
A. what
B. that
C. which
D. why
30.【答案】A。
【解析】考查主语从句关系词。句意:在解决问题之前一定要弄清楚问题是什么。主语从句缺少表语成分,B、D不作成分,因此排除B、D选项,A表示什么可作表语,C表示哪一个。根据句意,故选A。
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