2 .           parents want to stay involved and informed about their grown-up children, they must establish boundaries and help them to be independent.

A．Because

B．Unless

C．While

D．Once

3 . 根据所给10个英语单句的意思，从所给的15个词汇中挑选出10个合适的词或短语分别给每个句子填空。

committee       concentrate on       emperor          donated               pretend appreciate       bury                    in harmony       suffering from       strength falling apart     accommodation     recommended   schedule            extremely

1. The guy next to me tried to talk to me the whole time so I couldn’t ______ the experiment.
2. My adviser ______ that I should sign up for advanced literature because I like English and I’m good at it.
3. Finding time for both studies and extra-curricular activities is a big challenge, so I need to make a workable ______.
4. Oh, good idea! Jiuzhaigou is an ______ beautiful place.
5. From there you will spend one day traveling by boat to your ______ in the middle of the forest.
6. The team that Lang Ping had built was ______.
7. Soon after the quakes, the army sent 150,000 soldiers to Tangshan to dig out those who were trapped and to ______the dead.
8. As China plays a greater role in global affairs, an increasing number of international students are beginning to ______ China’s culture and history through this amazing language.
9. A ______ was established to limit damage to the Egyptian buildings and prevent the loss of cultural relics.
10. Only when we learn to exist ______ with nature can we stop being a threat to wildlife and to our planet.

5 . To create a win-win situation, China has decided to ________ up with other developing countries to build a shared future.

A．break

B．come

C．put

D．team

6 . Under the ______ of the top scientist Qian Xuesen, China developed the Dongfeng missiles.

A．leadership

B．option

C．career

D．friendship

E．boundary

10 . 户外活动对孩子的注意力和记忆力有好处。(benefit v.)(汉译英)