1 . Oceans, like the rest of the world, are impacted by the burning of fossil fuels and the          of greenhouse gases like carbon dioxide.

A．supply

B．assistance

C．quantity

D．release

2 . Let’s take steps to stop ________ natural resources at such an alarming speed.

A．depleting

B．enriching

C．conserving

D．supplying

3 . Last year, the crime rate in Chicago has sharply ______.

A．declined

B．lessened

C．slipped

D．supplied

4 . A pipeline will be built to _____some eastern provinces with natural gas from the west of China.

A．send

B．sell

C．supply

D．offer

5 . Some parents don’t allow their kids to use mobile phones, but it’ll become increasingly difficult, especially when all their friends have that ________.

A．leisure

B．thrill

C．stuff

D．supply

7 . All the rooms are _____ with electric light.

A．supplied

B．given

C．offered

D．burnt