3 . 词性转换
1. no(无)+where(哪里)→________ adv. 无处;任何地方都不
2. other(以其他方式)+wise(明智的)→________ adv. 否则;另外
3. helicopterist n. 直升机驾驶员→________ n. [航] 直升飞机
4. mid(中间的;中央的)+night(夜晚)→________ n. 午夜
5. threaten vt. 威胁;恐吓→________ n. 威胁，恐吓
6. propertyless adj.无财产的→________ n. 性质，性能;财产
7. sufficient adj.足够的，充足的→________ adv.足够地，充足地
8. sheltery adj. 庇护的，遮盖的→________ n. 庇护;避难所

4 . 选用方框内合适的单词填空(每个单词限用一次)。

lap, midnight, nowhere, otherwise, property, shelter, sufficient, threat

1. It was almost at ________ that a fire broke out in the neighbourhood.
2. That big tree on the bank of the river might afford us ________ from the strong sunlight.
3. The hotel is not responsible for any loss or damage to guests’ ________.
4. We need to reduce our carbon footprints, ________ global warming will never stop.
5. When I was a child, I always sat on Grandpa’s ________, watching the stars in the sky.
6. All the volunteers have ________ supplies to be able to take care of themselves.
7. As temperatures go up this summer, cities have opened cooling centres for residents who have ________ to escape the heat.
8. World Wildlife Day is marked on March 3 every year since it was declared in 2013 to celebrate and raise awareness of the world’s animals under ________.

5 . 根据语境及汉语提示写出正确的单词
1. ________(无处) to go
2. or _________ (相反; 要不然)
3. _________ (直升机) pilot
4. ________ (房地产) market
5. ________ (充足的)condition
6. ________ (庇护, 防护) belts