2 . 词性转换
1. rely v.依靠→________ adj.可信赖的，可靠的
2. emergent adj.紧急的→________ n.突发事件；紧急情况
3. exceptional adj.杰出的，卓越的；特别的→________ adv.极其，非常
4. threat n.威胁；可能带来威胁的人（事）→________ v.威胁到，危及
5. precise adj.精确的，准确的→________ adv.精确地，准确地
6. claimant n. 原告；[贸易] 索赔人；提出要求者→________ vt.要求；声称
7. satellitic adj. 卫星的→________ n.卫星
8. billionaire n. 亿万富翁→________ n. 十亿；大量

5 . 选用方框内合适的单词并用其正确形式填空(每个单词限用一次)。

crisis, exceptionally, grab, precise, rely, satellite

1. As the truck came near, the man ________ Jane’s arm to stop her from running into the road.
2. It is difficult to know ________ how climate change will impact our life.
3. The manager thought Tim was a(n) ________ person and told him all about the new plan.
4. In one sense, the climate ________ is being caused by a rise in greenhouse gases.
5. Can you tell me how a weather ________ takes pictures or measures surface temperatures from space?
6. When temperatures drop during the evening, it gives our body a chance to recover from the stress of a(n) ________ hot day.

6 . 根据语境及汉语提示写出正确的单词
1. weather ________ (预测，预报)
2. ________ (抓住) the handle
3. ________ (可靠的) quality
4. ________ (营救) workers
5. ________ (紧急) treatment
6. ________ (非常) big
7. ________ (夺去) his life
8. economic ________ (危机)
9. ________ (威胁) a person or thing
10. describe ________ (准确地)

8 . 我们依赖译员而不是机器来翻译文件,因为我们相信他们更可靠。(as引导原因状语从句,reliable)
We rely on translators rather than machines to translate papers ________.