Plastic bags are provided for our convenience but they have also______ the pollu

题型：0108 期末题难度：来源：

Plastic bags are provided for our convenience but they have also______ the pollution of the environment.

[ ]

A. adapted to
B. turned to
C. contributed to
D. looked forward to

答案

举一反三

With so many things mixed up it"s hard to ______ what"s what.

[ ]

A. give out
B. turn out
C. make out
D. take out

题型：0108 期末题难度：| 查看答案

Because of his illness, he _____ the visit to Canada scheduled next week.

[ ]

A. carried out
B. suffered from
C. answered back
D. called off

题型：0115 期末题难度：| 查看答案

— Do you understand the problem?
— No. Although Mr. Murphy had explained it, his explanation didn"t _____ to me.

[ ]

A. get down
B. get out
C. get across
D. get over

题型：云南省期末题难度：| 查看答案

The woman was sad after she lost her only son in the earthquake. Her friend helped her go
through the difficult period and she finally _____.

[ ]

A. kept up.
B. cheered up.
C. turned up.
D. called up.

题型：期中题难度：| 查看答案

A new study suggests that the energy _____ by a cell phone could activate your brain.

[ ]

A. given away
B. giving off
C. given off
D. giving out

题型：0113 期中题难度：| 查看答案