5.(07上海25)
Leaves are found on all kinds of trees，but they differ greatly size and shape.
A.on B.from C.by D.in
答案 D
解析 differ in在……方面不同；differ from与……不同。
4.(07北京33)
Leave your key with a neighbor you lock yourself out one day.
A.ever since B.even if C.soon after D.in case
解析 A项意为“自从……以来”，B项意为“即使”，C项意为“不久之后”，D项意为“以防；以免”。句意为：留一把钥匙给邻居，以免有一天你把自己锁在门外。
3.(07北京31)
You have failed two tests. You’d better start working harder， you won’t pass the course.
A.and B.so C.but D.or
解析 句意为：你已经两次考试不及格了，你最好更加努力学习，否则你这门课程还会不及格。or否则。
2.(07全国Ⅱ8)
he had not hurt his leg，John would have won the race.
A.If B.Since C.Though D.When
答案 A
解析 本题为与过去事实相反的虚拟条件句。
1.(07全国Ⅰ31)
Between the two generations， it is often not their age， their education that causes misunderstanding.
A.like B.as C.or D.but
解析 本题结合强调句型考查并列连词词组not...but...不是……而是……，句中该并列连词词组连接主语。
29.(08江苏28)
-Why do you suggest we buy a new machine?
-Because the old one has been damaged .
A.beyond reach B.beyond repair C.beyond control D.beyond description
答案 B
解析 A项意为“无法到达”；B项意为“无法修理”；C项意为“无法控制”；D项意为“无法描述”。由句意可知，B项正确。
2004-07年高考题
A组
28.(08辽宁33)
I like Mr.Miner’s speech;it was clear and the point.
A.at B.on C.to D.of
答案 C
解析 to the point中肯， 切题
27.(08辽宁32)
I used to love that film I was a child， but I don’t feel it that way any more.
A.once B.when C.since D.although
解析 句意为：当我还是一个小孩子的时候，我喜欢那部影片。when引导时间状语从句表示“当……的时候”；C项也可引导时间状语从句， 但意思为“自从……以来”。
26.(08辽宁28)
hungry I am， I never seem to be able to finish off this loaf of bread.
A.Whatever B.Whenever C.Wherever D.However
解析 句意为：无论我是多么饥饿，我似乎永远都不能吃完这个面包。A项“无论什么”；B项“无论在什么时候”；C项“无论在哪里”；D项“无论多么”。
25.(08福建34)
You have no idea how she finished the relay race her foot wounded so much.
A.for B.when C.with D.while
解析 此处是with+复合宾语结构。其余三项为连词，后接句子，如用它们，wounded前应加was。