1 . Gradually my enthusiasm for science fiction books ______, for it was hard to find a good one I could ______ my nose in.

A．died out; land	B．died away; inlay
C．died down; bury	D．died off; press

3 . 选词填空
1. Cheer up. Being devoted to your work ________(will help, has helped) you to feel calm.
2. In 1492, Columbus ________(had landed, landed) on one of the Bahama Islands, but he mistook it for an island off India.
3. Sam told me that there ________(have been, had been) an argument between him and his parents about which university he should choose.
4. I ________(has hoped, had hoped) to send Peter a gift to congratulate him on his new school life, but I couldn’t manage it.
5. Last night I dropped a cup when I ________(am doing, was doing) the washing-up. Fortunately it didn’t break.
6. The professor along with his assistants ________(has given, will give) ten free lectures for the students in rural areas in the last three months.
7. Professor Brown is aiming to help students make more informed career choices. He ________(wrote, has been writing) these articles since Monday.
8. —Tommy is planning to change his job.
—I know. By next week, he ________(have prepared, will have prepared) enough for the new job interviews.

4 . Complete the sentences with the correct forms of the words in the box.

send        survive       prevent       reach       breathe       step       land       sleep       use       help

1. After having succeeded in __________satellites into space, people wanted to know if it was safe for a human to go into space. On 3 November 1957, a dog named Laika became the first living thing __________space. She was also the first one to die there.
2. The USSR and the US both wanted to be the first to send a person to the moon. Later, the US succeeded, and Neil Armstrong became the first man __________onto the moon. During the first moon landing, astronauts had no vehicles__________, so they had to explore the moon on foot. On the fourth mission __________on the moon, astronauts took a lunar vehicle so that they could explore places further away.
3. Astronauts must wear spacesuits when they work in space because there is no air __________and it can be very cold outside the spacecraft. While__________, they must attach themselves to something so as__________ floating around.
4. The accident on the Apollo 13 spacecraft resulted in a loss of oxygen, water, and electrical power. The astronauts on board had to fight__________. At the same time, Houston's Mission Control worked hard __________the astronauts return to Earth safely.

5 . 关于中国太空项目的最新消息在长征号火箭着陆地球的前一天透露给了媒体。(land，leak) （汉译英）

6 . No one knows who will be the first ________ on Mars.

A．landing

B．to land

C．landed

D．lands

7 . A number of the satellites record data on land and weather patterns. (英译汉)

9 . A Chinese spacecraft successfully________ on the surface of Mars on May 22, 2021.

A．lands

B．landed

C．would land

D．had landed