7.17 vocabulary test

To make something new again v. 更新

Can break down naturally and not harm the environment adj. 可生物降解的

Items that will be used once and then thrown away adj. 一次性的

To keep something safe from harm v. 保护

The natural home of a plant or animal n. 栖息地

Can be folded into a smaller size. adj. 可折叠的

To stay away from something v. 避开

Protecting forests helps preserve the ______ of many animals.

   

- 保护森林有助于维护许多动物的栖息地。

• utensil

• habitat

• avoid

• protect

Using ______ plastic cups creates a lot of waste.

使用一次性塑料杯会产生大量垃圾。

• reusable

• fossil fuel

• disposable

• biodegradable

 Wind and solar power are ______ energy sources.

   - 风能和太阳能是可再生能源。

• reusable

• renewable

• disposable

• biodegradable