专题突破unit 1
强调句型。典例展示] [分析诊断]
1. b。首先判断这是强调句型，强调的是主语the ability to do the job，所以选用that。
如果原句中谓语动词为过去范畴的时态(一般过去时、过去进行时、过去完成时、过去将来时等)，则用it was...that...如：
2. a。这个句子稍微复杂点。
said that 后面的是宾语从句。然后在这个从句里，有一个it is…that的强调句。整个宾语从句意思说：
正是因为他对文学有浓厚的兴趣，他才选择了这个课程。
3. b。本题强调主语these poisonous products.
4. a。本句中强调句型对特殊疑问词what 进行强调，去掉强调句型后句子为what do you want me to say?
我们可以看到被强调的what 是say 的宾语。
5. d。对状语with this joy 进行强调。
6. b。本题考查助动词do对动词的强调。从the other day (那天)判断整个句子应用过去时态，a、c两项时态错误，d项不合题意，故选b，did可译为“的确，真地”。
7. b。句意：直到他到家的时候，jennifer才意识到钥匙丢了。until结构时用于强调句式时，要将否定词not移到until前。
8. c。本题是对强调句型与not……until从句的结合考查，把not移至被强调的部分之后，要注意把句子中的动词用过去式。
9. c。根据下文的答语 a friend of his helped him可知上文是强调方式状语。
10. 1) d 2) b 3) c 4) d 5) b 6) a 先分析结构，再分析意思。谨慎试词，防止混淆。
1.句强调时间状语，故用that；2.是it…before…句型，时间状语从句，只用before；3.
it is a period of time since-clause是固定结构，只用since；4.是强调句型，因spend一词为及物动词，故需要宾语that。此例也可能是定语从句，若为定语从句则which亦可。
但强调句和定语从句的意义是不同的。5是it…before…句型，时间状语从句，只用before. 6 是when引导的时间状语从句。
1. it is the ability to do the job___matters not where you come from or what you are. （2000全国卷）
a. oneb. thatc. whatd. it
2. d**id said that it was because of his strong interest in literature __he chose the course.（2006上海春季）
a. thatb. whatc. whyd. how
3. it is these poisonous products __can cause the symptoms of the flu, such as headache and aching muscles. （2003上海卷）
a .whob. thatc .howd .what
4. why! i h**e nothing to confessyou want me to say? （2004上海卷）
a. what is it that b. what it is that c. how is it that d. how it is that
5. it was with great joy __he received the news that his lost daughter had been found. （2004 福建卷)
a becauseb whichc sinced that
6. an awful accidenthowever, occur the other day. (2000上海卷)
a. does b. did c. has to d. had to
7. it was not until she got home __jennifer realized she had lost her keys.（2006全国ii卷）
a. whenb. thatc. whered. before
8. it was___black home after the experiment. (2004湖北卷)
a. not until midnight did he gob. until midnight that he didn’t go
c. not until midnight that he wentd. until midnight when he didn’t go
9that he managed to get the information?
—oh, a friend of his helped him. （2005山东卷）
a. where was itb. what was itc. how was itd. why was it
10.1) it was 20 years agothe two friends met in viet nam.
2) it will be 20 yearsthey meet in viet nam.
3) it is 20 yearshe came to live here.
4) it was 20 yearshe spent in writing this novel.
5) it was not longthe people in austria took up guns.
6) it was midnight __he came back home.
a. whenb. beforec. sinced. that
**策略]强调句型的基本结构是：it is/was + 被强调部分(主语、宾语、宾语补足语或状语等) +that/who +句子的其余部分。
一、连接词。一般说来，如果被强调部分是人时，用连词that或who；被强调的部分是宾语，指人时也可以用whom；如果被强调部分是物，只能用连词that。
it was john and mike who/that saw mary in the street last night.
it is mary whom/ who he often helps .
it was in the street that i met him yesterday.
二、时态。如果原句中谓语动词使用的是现在范畴的时态(一般现在时、现在进行时、现在完成/现在完成进行时、一般将来时、将来进行时、将来完成时等)，用it is...that...
如果原句中谓语动词为过去范畴的时态(一般过去时、过去进行时、过去完成时、过去将来时等)，则用it was...that...如：
mary met an old beggar in the street yesterday.
it was mary who/that met an old beggar in the street yesterday. (强调主语)
it was an old beggar whom/that mary met in the street yesterday. (强调宾语)
it was yesterday that mary met an old beggar in the street. (强调时间状语)
it was in the street that mary met an old beggar yesterday. (强调地点状语)
有时，be前可使用表示推测的情态动词。如：
it must be peter who has let this secret out.一定是彼得将这个秘密泄露出去的。
it might be last night that they did their homework.他们也许是昨晚做完作业的。
三、 强调含有not until的句子。在强调not until句型时，not 位于until从句前，主句谓语动词作相应变化，即it is(was)+not until从句+that +其它。
it was not until he had finished the work that he went home.
it was not until 12 o’clock last night that my brother came home.
四、强调句的疑问句。强调结构的疑问形式：强调一般疑问句中的某一成分时，要在主句中用一般疑问句的顺序。例如：
was it you that/who broke the window ?
was it in the war that he lost his son ?
强调特殊疑问句中的疑问词，其结构模式是：“疑问词+ is/was + it +that...它同感叹句的强调模式极其相似，首先将疑问句开头的部分作为强调部分，套入强调结构，然后再将其变为疑问句。
例如：1. where were you born? →where was it that you were born?
2. what did you want to see? →what was it that you wanted to see?
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