1 . If a sixth mass extinction occurs, scientists who have studied the issue believe _____________.(根据句意填空)

2 . Besides, anybody who is feeling down can go for a run to cheer themselves up. Even a thirty-minute run will provide __________ from aches or tension that you may be suffering due to stress.（根据句意填空）

3 . Paul jumped up and rushed onto the court. And clearly, all the extra hours that he’d spent practicing alone __________. The other team just couldn’t keep up with his energy and speed.（根据句意填空）

4 . 防止网络游戏控制青少年的生活至关重要。（prevent）
It is essential ______ from dominating a teenager’s life.

5 . 这些图片是水墨动画电影的代表。你看过这些电影吗? (representative)
These pictures ______ ink wash animation films. Have you seen any of them before?

6 . 警察问登山者为什么在遇到危险时他们延迟发出求救信息。 (delay, send)
The policeman asked the climbers ______ SOS messages when in danger.

7 . 在被打断很多次之后，他生气了。(非谓语动词作状语，interrupt)
_________________, he got angry.

8 . 自从她不再走路上班以来，健康状况就不太好了。(out of shape)
______________ when _____________.

9 . 在种植前给土壤浇水很重要。(prior to)
______________ to water the soil _________________.

10 . 俱乐部对所有新成员不分年龄一律欢迎。(regardless of)
The club __________________.