二、比较状语从句

1.than引导的比较状语从句

She was now happier than she had ever been.

现在她比过去任何时候都快活。

I glanced at my watch.It was earlier than I thought.

我看了看表，时间比我想像的早。

2.as ...as引导的比较状语从句

He doesn’t work as hard as she does.他工作不像她那样努力。

Alice works as happily as she plays （happily）.艾丽丝愉快地工作，尽情地玩耍。

【高考演练】

1.【安徽】The meaning of the word “nice” changed a few times________it finally came to include the sense “pleasant”.

A.before B.after C.since D.while

【答案】A 考查状语从句。根据finally 可知，从句谓语动词的动作后于主句的谓语动词的动作而发生，据此可排除B和C，while引导时间状语从句时，表示主句和从句谓语动词的动作同时发生。句意：“nice”一词的含义变化了数次，直到最后它才包括了“pleasant”的含义。故选A。

2.【北京】________ the forest park is far away，a lot of tourists visit it every year.

A.As B.When C.Even though D.In case

【答案】C 考查状语从句。句意：即使（尽管）那个森林公园很远，每年还是有很多人去游览。even though 意为“即使，尽管”，引导让步状语从句；in case引导目的状语从句。故选C。

3.【湖南】You will never gain success________you are fully devoted to your work.

A.when B.because C.after D.unless

【答案】D 考查状语从句。句意：如果你不是全身心地投入到工作中去，你永远不可能获得成功。此处unless相当于if not，表示含有否定意义的条件。故选D。

4.【江苏】Lessons can be learned to face the future，________history cannot be changed.

A.though B.as C.since D.unless

【答案】A 考查状语从句。句意：尽管历史不可能被改变，但是我们可以吸取教训来迎接未来。根据语境可知此处用though引导让步状语从句，故选A。

5.【江西】It was the middle of the night________my father woke me up and told me to watch the football game.

A.that B.as C.which D.when

【答案】D 考查状语从句。句意：当我父亲叫醒我，让我看球赛的时候是半夜。when 在此引导时间状语从句。此题易误选A项，原因是把此句看成了强调句型，要注意分析句子成分。故选D。

6.【陕西】The young couple，who returned my lost wallet，left________I could ask for their names.

A.while B.before C.after D.since

【答案】B 考查状语从句。句意：我还没来得及问他们的姓名，那对归还了我钱包的年轻夫妻就已经离开了。所填词引导时间状语从句，意思是“在……之前”，故选B。

7.【四川】I’ll be out for some time.________anything important happens，call me up immediately.

A.In case B.As if C.Even though D.Now that

【答案】A 考查状语从句。句意：我要出去一会儿。万一发生了什么重要的事情，马上给我打电话。in case 万一，以防；as if 好像；even though 即使；now that 既然，由于。故选A。

8.【天津】________ you start eating in a healthier way，weight control will become much easier.

A.Unless B.Although C.Before D.Once

【答案】D 考查状语从句。句意：一旦你开始用健康的方式吃饭，体重控制将会变得容易多了。unless 如果不，除非，引导条件状语从句；although 虽然，尽管，引导让步状语从句；before 以前，引导时间状语从句；once 一旦，引导时间状语从句。故选D。

9.【浙江】Cathy had quit her job when her son was born________she could stay home and raise her family.

A.now that B.as if C.only if D.so that

【答案】D 考查状语从句。句意：凯西在她儿子出生的时候就辞去了工作，这样她就能在家里照顾家人了。根据句意知，此处是so that引导的目的状语从句，同时由从句中的could也可以推断出应该选so that。now that 既然；as if 似乎；only if 只要。故选D。

10.【重庆】Half an hour later，Lucy still couldn’t get a taxi________the bus had dropped her.

A.until B.when C.although D.where

【答案】D 考查地点状语从句。主句“Lucy couldn’t get a taxi ...”和从句“...the bus had dropped her.” 均需要地点状语。故选D。

11.【重庆】— Coach，can I continue with the training？

— Sorry，you can’t________you haven’t recovered from the knee injury.

A.until B.before C.as D.unless

【答案】C 考查状语从句。句意：“教练，我可以继续训练吗？”“很遗憾，你不能，因为你膝关节损伤还没有恢复。”until 直到……，before 在……之前，二者都可引导时间状语从句；as 因为，当……的时候，引导原因状语从句或时间状语从句；unless 除非，引导条件状语从句。根据题意，故选C。

12.【全国Ⅰ】I don’t believe we’ve met before，________I must say you do look familiar.

A.therefore B.although C.since D.unless

【答案】B 考查连词和状语从句。句意：我认为我们以前没见过面，尽管我必须承认你看起来确实很面熟。therefore 因此；although 虽然，尽管；since 自从，既然；unless 除非。根据句意可知，前后之间是转折关系，故选B。

13.【四川】If you happen to get lost in the wild，you’d better stay________you are and wait for help.

A.why B.where C.who D.what

【答案】B 考查状语从句。句意：如果你碰巧在荒野中迷路了，你最好待在原地等待救援。此处where引导地点状语从句。故选B。

14.【南京】________ I always felt I would pass the exam，I never thought I would get an A.

A.While B.Once C.If D.Until

【答案】A 考查状语从句。句意：尽管我总是感到我能通过考试，但是我从没有想过我会得个“优”。while引导让步状语从句，表尽管，符合句意；once 一旦，曾经；if 如果；until 直到。故选A。

15.【湖南】________ hard you try，it is difficult to lose weight without cutting down the amount you eat.

A.However B.Whatever C.Whichever D.Whenever

【答案】A 考查状语从句。句意：无论你多么努力地尝试，在不减少你的食量的情况下很难减肥。however 无论如何，不管怎样，符合句意。whatever 无论什么样；whichever 无论哪一个；whenever 无论何时。故选A。

16.【山东】He smiled politely________Mary apologized for her drunken friends.

A.as B.if C.unless D.though

【答案】A 考查时间状语从句。句意：当玛丽为她醉酒的朋友们向他道歉时，他礼貌地微笑着。as“当……时候”，引导时间状语从句，符合句意；if“如果”，引导条件状语从句；unless“除非”，引导条件状语从句，相当于if ...not；though“虽然，尽管”，引导让步状语从句。故选A。

17.【山东】A number of high buildings have arisen________there was nothing a year ago but ruins.

A.when B.where C.before D.until

【答案】B 考查状语从句。句意：许多高层建筑已经屹立在一年前的荒芜之地上了。when 当……的时候，是时间连词；where 在……的地方，是地点连词，引导地点状语从句；before 在……以前，是时间连词或地点连词；until 直到，是时间连词。故选B。

18.【福建】It is hard for the Greek government to get over the present difficulties________ it gets more financial support from the European Union.

A.if B.unless C.because D.since

【答案】B 考查连状语从句。句意：除非能从欧盟得到更多的资金支持，否则希腊政府很难渡过目前的困境。unless=if ...not“除非，如果不”，它所引导的句子谓语动词用一般现在时表将来。故选B。