Question

1. 这美丽的风景是无法描述的。 （beyond）

2. 日常运动对保持身体健康很重要。（play）

3. 宇航员们曾尝试在太空种植西红柿。(attempt v.)

4. 那位科学家认为还要好几年这个理论才能付诸于实践。(before)

5. 正是由于他利用各种机会用英语交流，才使他的英语水平有了很大提高。（It… that…)

Answer 1

1. The beauty of the scenery is beyond description.

2. Daily sports play an important part/role in keeping healthy.

  Daily exercise plays an important part/role in keeping healthy.

3. Astronauts attempted to plant tomatoes in space.

4. The scientist believed that it would be years before the theory was put into practice.

Or: The scientist believes that it will be years before the theory is put into practice.

5. It is because he takes every opportunity to communicate in English that his English has been improved greatly./ has improved greatly