Unit 2English around the world
第一节单项填空(共15小题；每小题1分，满分15分)
从A、B、C、D四个选项中，选出可以填入空白处的最佳选项。
21．—Can I take tomorrow off?
—________？Do you have something important to do?
A．What for B．Why not
C．So what D．How come
答案 A [句意：——明天我可以请假吗？——为什么？你有要紧事要做吗？What for询问原因，意思是“为什么”，符合语境。Why not？表示赞成，意思是“好啊；为什么不呢”。So what 常表示不屑一顾，意思是“那又怎么样呢”。How come表示惊奇、难以置信，意思是“怎么会呢”。] 22．Here is Jack's ________ card and you can find his name，picture，date of birth，and other information on it.
A．survey B．identity C．journal D．item
答案 B [根据语境“上面有他的姓名、照片、出生日期和其他信息”可知应选identity。identity card“身份证”。]
23．By the end of last week，he ________ in this company for two years.
A．had worked B．has worked
C．has been working D．worked
答案 A [考查时态。根据“by the end of last week”可知时间为过去的过去，故应用过去完成时。
句意：到上周末为止，他已经在这家公司工作两年了。]
24．________ on ten years of observation and study，the theory shows that everyone dreams ever night，whether they realize it or not.
A．Basing B．Based
C．Being based D．Having based
答案 B [考查非谓语动词作状语。句意：基于十年的观察和研究，这项理论表明，每个人每晚都做梦，不管他们是否意识到这一点。the theory与base之间是被动关系，故用过去分词作状语。]
25．I'm sorry I can't help you with your English study ________，for I am busy with the meeting arrangement.
A．right away B．right now
C．at once D．straight away
答案 B [句意：对不起，我现在不能帮你学英语，因为我正忙着安排会议。right now“此刻；
现在”；right away，at once，straight away都表示“马上；立刻”。]
26．Mother has not yet recovered from the serious illness，but her health is improving ________ day by day.
A．frequently B．gradually
C．fluently D．actually
答案 B [ 句意：妈妈大病未愈，但她的身体一天天地在逐渐(gradually)康复。frequently“频
繁地”；fluently“流利地”；actually“实际上”。]
27．—The teacher said，“Let's have a rest.”
—What did the teacher say?
—________.
A．The teacher said to us to have a rest
B．The teacher asked to have a rest
C．The teacher suggested having a rest
D．The teacher advised to have a rest
答案 C [带有let的祈使句变为间接引语时，可用“suggest doing或suggest＋从句”的形式。句意：老师建议休息一下。]
28．—What lovely weather！Shall we ________ it and go camping?
—Why not？I love getting close to nature.
A．make use of B．get along with
C．come up with D．take part in
答案 A [问句句意：多好的天气呀！趁着好天气我们去野营好吗？make use of意为“利用”，符合语境。get along with“与……相处；进展”；come up with(针对问题等)“提出；想出”；take part in“参加”。]
29．She always comes to our help when we get into trouble ________ she is very
busy.
A．since B．once C．even if D．so that
答案 C [句意：我们遇到困难时她总会来帮忙，即便她很忙。even if意为“即使；尽管”，引导让步状语从句。]
30．The visiting professor is from Tokyo University and he speaks English with a
strong Japanese ________.
A．accent B．spelling C．identity D．vocabulary
答案 A [句意：这位客座教授来自东京大学，他说英语带着一口很浓的日语“口音(accent)”。
spelling“拼写”；identity“身份”；vocabulary“词汇”。]
31．He commanded that the students ________ the classroom before he returned.
A．didn't leave B．wouldn't leave
C．needn't leave D．not leave
答案 D [command作“命令”讲时，其后的名词性从句中谓语动词要用“(should＋)动词原形”
的形式。]
32．—Excuse me，________ could you tell me where the nearest gas station is?
—Sorry.I am a stranger here myself.
A．and B．but C．or D．then
答案 B [Excuse me，but...是习惯表达，常用来提出请求。]
33．________，three out of every four high school students in our city now have
mobile phones of their own.
A．Sooner or later B．Here and there
