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1.课本原句： Floods and droughts are disasters that farmers cannot stop. (P. 44)
要点：与cannot构成的两特殊句型。
透视： 1）cannot与比较级连用，表示肯定意义。这种句型的原意是“再没有……比……更”，从反面来表示“最肯定”的概念。用语虽然含蓄，但表达强有力的肯定语气。例如：
I can’t thank you a little more.太感谢你了。
The job couldn’t have been easier.这工作再容易不过的了。
2） “cannot + too + 形容词/副词”或“cannot+形容词/副词+enough”两结构也表示肯定意义。例如：
You cannot get there too early. 你越早到那儿越好。
考例：
1. —Shall I give you a ride as you live so far away.
—Thank you. ______ . (2005江西卷)
A. It couldn’t be better
B. Of course you can
C. If you like
D. It’s up to you
2. —Go for a picnic this weekend, Ok?
—______ . I love getting close to nature.(2004年福建卷)
A. I couldn’t agree more
B. I’m afraid not
C. I believe not
D. I don’t think so
3. —I was riding along the street and all of a sudden, a car cut in and knocked me down.
—You can never be______ careful in the street. (2003京春)
A. much B. very C. so D. too
点拨: 1. A。意为“那太好了”。2. A。意为“我很同意”。3. D。意为“你在街上越细心越好”。
2.课本原句：How are people’s eating habits changing over the years? (P. 43)
要点： over 的特殊用法。
透视： 1）表示“一边……一边”之意。例如：
We’ll discuss it over our dinner.
2) 表示“覆盖”或“蒙在……上”之意。例如：
The boy pulled his hat down over his face.
3) 表示“在……期间”或“直到……过完”。例如：
Can’t you stay here over the summer holidays?
He often works over night.
考例：
1. You can’t wear a blue jacket______ that shirt. It looks terrible. （2004湖南卷）
A. on B. above C. up D. over
2. They had a pleasant chat______ a cup of coffee. (2003北京卷)
A. for B. with C. during D. over
点拨： 1 D。over在此表示“覆盖”之意。2 D。over在此表示“一边……一边”之意。
3.课本原句： The temperature is controlled by computers, no matter how the weather is outside. (P. 46)
要点： no matter + 疑问词的用法。
透视： no matter意为“不管，不论”。“no matter+疑问词”相当于疑问词+ever构成的合成词。不过，“疑问词+ever”不但可以引导名词从句(这时不可用no matter what, no matter who等来取代)，而且还可以引导让步状语从句(这时可与no matter what, no matter who等互换)。
考例：
1.______ team wins on Saturday will go through to the national championships. (2006山东卷)
A． No matter what B. No matter which
C. Whatever D. Whichever
2. The poor young man is ready to accept______ help he can get. (2005全国卷)
A. whichever B. however
C. whatever D. whenever
点拨： 1. D。从句子结构看出whichever引导名词性从句，而B项只引导让步状语从句。2. C。whatever在此引导名词性从句，修饰后面的名词help。
要点：与cannot构成的两特殊句型。
透视： 1）cannot与比较级连用，表示肯定意义。这种句型的原意是“再没有……比……更”，从反面来表示“最肯定”的概念。用语虽然含蓄，但表达强有力的肯定语气。例如：
I can’t thank you a little more.太感谢你了。
The job couldn’t have been easier.这工作再容易不过的了。
2） “cannot + too + 形容词/副词”或“cannot+形容词/副词+enough”两结构也表示肯定意义。例如：
You cannot get there too early. 你越早到那儿越好。
考例：
1. —Shall I give you a ride as you live so far away.
—Thank you. ______ . (2005江西卷)
A. It couldn’t be better
B. Of course you can
C. If you like
D. It’s up to you
2. —Go for a picnic this weekend, Ok?
—______ . I love getting close to nature.(2004年福建卷)
A. I couldn’t agree more
B. I’m afraid not
C. I believe not
D. I don’t think so
3. —I was riding along the street and all of a sudden, a car cut in and knocked me down.
—You can never be______ careful in the street. (2003京春)
A. much B. very C. so D. too
点拨: 1. A。意为“那太好了”。2. A。意为“我很同意”。3. D。意为“你在街上越细心越好”。
2.课本原句：How are people’s eating habits changing over the years? (P. 43)
要点： over 的特殊用法。
透视： 1）表示“一边……一边”之意。例如：
We’ll discuss it over our dinner.
2) 表示“覆盖”或“蒙在……上”之意。例如：
The boy pulled his hat down over his face.
3) 表示“在……期间”或“直到……过完”。例如：
Can’t you stay here over the summer holidays?
He often works over night.
考例：
1. You can’t wear a blue jacket______ that shirt. It looks terrible. （2004湖南卷）
A. on B. above C. up D. over
2. They had a pleasant chat______ a cup of coffee. (2003北京卷)
A. for B. with C. during D. over
点拨： 1 D。over在此表示“覆盖”之意。2 D。over在此表示“一边……一边”之意。
3.课本原句： The temperature is controlled by computers, no matter how the weather is outside. (P. 46)
要点： no matter + 疑问词的用法。
透视： no matter意为“不管，不论”。“no matter+疑问词”相当于疑问词+ever构成的合成词。不过，“疑问词+ever”不但可以引导名词从句(这时不可用no matter what, no matter who等来取代)，而且还可以引导让步状语从句(这时可与no matter what, no matter who等互换)。
考例：
1.______ team wins on Saturday will go through to the national championships. (2006山东卷)
A． No matter what B. No matter which
C. Whatever D. Whichever
2. The poor young man is ready to accept______ help he can get. (2005全国卷)
A. whichever B. however
C. whatever D. whenever
点拨： 1. D。从句子结构看出whichever引导名词性从句，而B项只引导让步状语从句。2. C。whatever在此引导名词性从句，修饰后面的名词help。