2 . 请将划线部分句子成分的汉语名称写在横线上
1. It is our duty to keep our classroom clean and tidy. _______________
2. As a player, Yang Qian brought our country great honor and glory. _______________

4 . 不久她脸上就露出了一丝笑容。（主谓结构）(汉译英)

5 . 从长远来看, 这个药可被证明行之有效，且无严重的副作用。（prove）（汉译英）

7 . Chan’an, as it was known at that time, was the starting point of the Silk Road, which connected China to the world. What’s the underlined part?

A．object

B．subject

C．adverbial

D．attributive

8 . International tourism has brought in a phase where the opportunities of making quick profits from exploiting too much of what was regarded as freely available natural resources dazzled the eyes of government and businessmen, as well as many local residents.
What is the sentence pattern?

A．SV

B．SVO

C．SVC

D．SVOCo

9 . Riding on the only steam engine still working in the southeastern United States is a special treat when you pay a visit to the country. 主句主语的主干部分是？

A．the only steam engine	B．southeastern United States
C．Riding on the only steam engine	D．working in the southeastern United States

10 . After studying for another year, he managed to pass the exam, entering college in 1896. 句子谓语是？

A．studying

B．managed

C．pass

D．entering