1 . —Well, I’d rather play ________ violin.
—And I’d prefer just to ________ with the crowds.

A．the; help out

B．\; help of

C．the; help of

D．\; help out

2 . In old age, Mrs. Johnson became ________ most celebrated of the small excellent group of black women who at midcentury served as mathematicians for the space agency. （用适当的词填空）

3 . Online shopping was invented and pioneered by Michael Aldrich in ________ U.K. in 1979, while the Japanese operated the first modern high-speed rail in 1964. （用适当的词填空）

4 . A collector of antiques saw the bowl at the sale, paid $35 for the bowl and later emailed information and photos to Sotheby's asking for ________ estimate of its value. （用适当的词填空）

5 . After more than 600 years of development, ________ handcraft of Beijing glassware has been passed down to the seventh generation. （用适当的词填空）

6 . 单句改错
1. By doing so, I can not only share good ideas with others but also learn to express me clearly.
2. Good opinions are worth sticking because they can benefit us all.
3. When I have different opinion, I may choose to give it up and respect the opinion of the majority.
4. Two years ago, our teacher offered us an answer for a difficult math problem in class.
5. The blackboard is in front of the classroom.
6. Nowadays there are still many poor students. They cannot afford to go to the school.
7. She met and eventually married with a man considerably younger than herself.
8. Several years later, a word came that he had succeeded in solving the difficult problem.
9. Bicycles are environmentally friendly because it won't give off waste gas.
10. As is known to we all, with the improvement of people's living standards, cars have become a popular means of transport, bringing great convenience to our life.
11. Contrary with people's expectations, most of the Chinese mothers are not in favor of the author's way she educated children.

7 . The enemy took ________ control of the city. In other words, all the city was under ________ control of the enemy.

A．the; the

B．the; /

C．/ ; the

D．a; the

8 . —______ article is really good. Who wrote it?
—______ college student called Tom.

A．A; The

B．An; The

C．The; A

D．The; An

9 . In my hometown there used to be ________ heavy rain now and then, and the river around ________ town rose a lot after the rain.

A．a, a

B．/, /

C．a, the

D．/, a

10 . Tom with his friends often_________ on Sunday afternoon.

A．play the guitar

B．play guitar

C．plays the guitar

D．plays guitar