13.(06陕西20)
This is a very interesting book.I’ll buy it， .
A.how much may it cost B.no matter how it may cost
C.however much it may cost D.how may it cost
答案 C
解析 句意为：无论它可能花多少钱，我都买它。本题A项错误在于用了倒装语序；B项错误在于遗漏了much；D项也遗漏了no matter...much。
12.(06江西27)
In peace，too，the Red Cross is expected to send help there is human suffering.
A.whoever B.however C.whatever D.wherever
答案 D
解析 此题考查“疑问句+ever”的用法。句意为：凡有痛苦的地方，人们都期望得到红十字会的援助。可知答案为wherever。
11.(06山东31)
How can you expect to learn anything you never listen？
A.in case B.even if C.unless D.when
解析 由下文语意可知，空白处应表示“既然”之意，四个选项中只有when可表达此意。
10.(06重庆23)
In time of serious accidents， we know some basic things about first aid，we can save
lives.
A.whether B.until C.if D.unless
解析 本题考查连词的用法，根据句意，此处为条件状语从句，故C项正确。
9.(06天津5)
If you are traveling the customs are really foreign to your own，please do as the Romans
do.
A.in which B.what C.when D.where
解析 where引导了地点状语从句。本题考生容易误选in which来引导定语从句。
8.(06北京33)
you’ve tried it，you can’t imagine how pleasant it is.
A.Unless B.Because C.Although D.When
答案 A
解析 unless=if not除非；because因为；although尽管；when既然。句意为：你很难想像有多么快乐，除非你已经试过。
7.(07山东29)
I really don’t like art，I find his work impressive.
A.As B.Since C.If D.While
解析 while在此意为“尽管”，相当于although。句意为：尽管我不是真正地喜欢艺术，但我觉得他的作品确
实能打动人。
6.(07浙江8)
Many of them turned a deaf ear to his advice， they knew it to be valuable.
A.as if B.now that C.even though D.so that
解析 本题考查连词的用法。句意为：他们中的许多人不听他的建议，尽管他们知道那很有价值。as if好像；now that既然；even though尽管；so that结果是。
5.(07重庆22)
My parents live in a small village.They always keep candles in the house there is a
power out.
A.if B.unless C.in case D.so that
解析 句意为：我父母住在一个小村庄里。他们总是在家里存着蜡烛以防停电。in case万一，以防，符
合题意。
4.(07陕西18)
- when has the country been open to international trade?
-1978，I suppose.
A.Since B.In C.From D.After
解析 本题考查状语从句的引导词。句子时态为现在完成时，when相当于下文的1978，只有since+过去某一
时间点，句子才用现在完成时，故选A项。