MET 中主语从句热点透析 (新课标版高三英语下册教学论文)
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MET 中主语从句热点透析
一、选择whether还是if。
【高考示例】
1．'92M ET :____ the 2000 Olympic Games will be held in Beijing is not known yet．
A．Whenever B．If C．W hether D．That
2．'96NM ET :________we'll go cam ping tomorrow depends on the weather．
A．If B．Whether C．That D．Where
【考例精析】
以上两题均考查由whether引导的主语从句。答案分别为：C、B。在使用whether，if引导的名词性从句时，应注意以下几种情况：
1．引导主语从句、表语从句和同位语从句时，只能用whether，不能用if。
2．引导介词宾语从句时，只能用whether，不能用if。例如：
I'm thinking of whether I should go or not．3．与不定式短语连用时，只能用whether，不能用if。例如：I can't decide whether to go or stay．
4．whether．．．or not可换成if．．．ornot，但whether or not不可以用if or not替换。例如：
I wonder whether ／if he will buy the bookor not．
I wonder whether or not he will buy the book．
5．whether，if引导肯定的宾语从句时（除上述2、3、4三种情况外）可互换。但引导否定的宾语从句时，只能用if。例如：
I don't know whether ／if I should tell you about it．（肯定的宾语从句）
I care if Tom doesn't pass the exam ination．（否定的宾语从句）
二、选择what还是that。
【高考示例】
1．'93M ET :____ he said at the meeting astonished everybody present．
A．What B．That C．The fact D．The matter
2．'96NM ET :________we can't get seem s better than ________we have．
A．What；what B．What；that C．That；that D．That；what
【考例精析】
以上两题均考查what引导的主语从句。连接词what在从句中既起连接作用，还在从句中充当成分，可以作主语、宾语、表语或定语；而连接词that只起连接作用，在从句中不作任何成分。题1从句中谓语动词said后和题2从句中谓语动词get，have后均缺少宾语，故答案均为A。再如：
What we need most now is time．
That our team had won made us very happy and excited．
He thought（that）the war was a terrible thing．
三、it充当形式主语，真正的主语———主语从句置后。
【高考示例】
1．'92M ET :It worried her a bit ____ her hair wasturning gray．
A．while B．that C．if D．for
2．'95NM ET :________is a fact that English is being accepted as an international language．
A．There B．This C．That D．It
【考例精析】
以上两题，虽然考查的方式有所不同，但均考查主语从句中一种特殊的句式，即用it
充当形式主语代替主语从句，而把主语从句置后。题1要注意正确选择连接词，从句her hair was turning gray中不缺少任何句子成分，因此只选择that连接主语从句即可。此句相当于：That her hair was turning gray worried hera bit．题2相当于：That English is being accepted as an international languageis a fact．答案分别为：B、D。
四、“疑问词＋ever”构成的复合连接词与“no matter ＋疑问词”引导从句。
【高考示例】
'99，上海 :____has helped to save the drowninggirl is worth praising．
A．Who B．The one C．Anyone D．Whoever
此题考查“疑问词＋ever”构成的复合连词引导的主语从句。whoever引导主语从句，相当于anyone who。虽然who也能引导主语从句，但who强调的是“谁”，不符合逻辑。
注意：“疑问词＋ever”构成的复合连词与“no matter ＋疑问词”引导主语从句时的异同：1．“疑问词＋ever”构成的复合连词（however除外）既可以引导名词性从句（主语从句、宾语从句、表语从句、同位语从句），也可以引导让步状语从句。而“no matter ＋疑问词”只能引导让步状语从句。
2．当“疑问词＋ever”构成的复合连词（however除外）引导名词性从句时，不能用“no matter ＋疑问词”替换。
3．当“疑问词＋ever”构成的复合连词（however除外）引导让步状语从句时，可与“no matter ＋疑问词”互换。
针对性练习：
1．—What are you eager about？ —________．
A．How can we succeed B．Whether we can succeed C．When can we succeed D．If we can succeed
2．It was true ____ Alice did surprised her mother．
A．that what B．what that C．that that D．all that
3．You can't believe ____ prom ise he makes．
A．anything that B．which C．whatever D．whose
4．What a pity is that you didn't arrive by daylight．
A．that B．this C．there D．it
5．—Who should I give the prize to？
—To ____ can work out the problem ．
A．whoever B．who C．no matter who D．whomever
6． ____is well-known ____ m uch progress has been m ade in China in the past 20 years．
A．What；what B．It；that C．It；what D．That；that
7． ____ goes，I shall not be affected．
A．Who B．No matter who C．Whoever D．Anyone who
8． ____ gets home first is to cook the supper．
A．Who B．No matter who C．Those who D．W hoever
9． ____ surprised us very m uch that Tom left without a word．
A．He B．It C．This D．That
10． ____ he has enough tim e to finish the work is still a problem ．
A．Whether B．That C．If D．W hat
Keys： 1—5BACDA 6—10BCDBA
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