2011在職MBA英語語法概述：強調(diào)(3)

　　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

　　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