一、一般强调结构

　　强调结构为: It is (was)…that…。

　　它可以用来强调句中的某些成分, 如主语(从句)、宾语(从句)、状语(从句)等。

　　如强调主语或宾语, 则that可用who(指人), whom或which(指物)来代替;

　　如强调的是状语, 则不能用when, where等代替, 只能用that。

　　注意, 强调结构不能用来强调谓语动词和表语。

　　It was my uncle that (who) sent me the parcel.

　　It is the article that (which) they discussed last week.

　　It was because he was too careless that he broke all the glasses.

　　It is in this room that I was born 30 years ago.

　　二、谓语动词用do, does, did表示强调

　　在肯定句中, 可以用do强调谓语部分, 可谓为:“务必”、“一定”、“真的”、“确实”等。这时动词要用原形。

　　He does like to eat noodles.

　　She did send me a postcark as I expected.

　　Exercises 6 Choose the best answer to complete the following sentences:

　　1. It was from the earlest time ___________ men began to study

　　the natural phenomena and heavenly bodies.

　　A. when                           B. where

　　C. that                            D. how

　　2. It ___________ his father ___________ made him a lawyer.

　　A. were…that                      B. was…that

　　C. was…which                      D. is…which

　　3. What ___________ are you looking for？

　　A. hell                            B. the hell

　　C. a hell                          D. hells

　　4. He is ___________ honest because he often tells lies.

　　A. anything but                    B. nothing but

　　C. something but                   D. but anything

　　5. It is ___________ that should be given priority to.

　　A. the government who decided

　　B. what has the government decided

　　C. only the government has decided

　　D. what the government has decided

　　6. ___________ , it is quite easy to drill a hole on it with laser.

　　A. Hard although the diamond is

　　B. Hard as the diamond is

　　C. As the diamond is hard

　　D. How hard is the diamond

[FS:PAGE]　　7. it was ___________ it raised many difficult questions that

　　the book took a long time to come out.

　　A. since                                 B. because

　　C. after                                        D. when

　　8. It was the color of the material ___________ he was surprised at.

　　A. who                             B. whom

　　C. which                           D. what

　　9. It is ___________ he is determined.

　　A. buying a new car that                 B. to buy a new car that

　　C. to buy a new car what                 D. buying a new car which

　　10. It was not until he arrived at the railway station _________ he realized he had forgotten his ticket.

　　A. before                        B. since

　　C. when                        D. that

　　11. It was with great joy ___________ he received the news that his long lost son would soon return home.

　　A. how                             B. because

　　C. as                              D. that

　　12. It was Einstein ___________ wrote and published his famous theory relativity in 1965.

　　A. which                           B. whom

　　C. what                            D. who

　　13. ___________ after the Second World War that test pilots first attempted to break the sound barrier.

[FS:PAGE]　　A. It was shortly                  B. There was shortly

　　C. Was shortly                     D. Shortly

　　14. It ___________ only last year ___________ I made her acquaintance.

　　A. was…which                     B. was…that

　　C. was…whom                  D. is…that

　　15. ___________ that called this morning?

　　A. Who was                         B. Who it was

　　C. Who was him                     D. Who was it