After Effects中用到的PSD素材不能直接在原程序Photoshop中编辑。（)

After Effects中不包含[ ]图层。

A.形状

B.填充

C.文字

D.调整

After Effects中形状图层中的各个形状之间可以进行[ ]。

A.减运算

B.相交运算

C.加运算

D.叠加混合

A.可以将After Effects的项目文件导入到Premiere Pro中

B.可以将Premiere Pro的项目文件导入到After Effects中

C.可以将After Effects项目窗口中的素材直接拖放到Premiere Pro的项目窗口中

D.可以将Premiere Pro项目窗口中的素材直接拖放到After Effects的项目窗口中

A.颜色减淡

B.正片叠底

C.正常

D.滤色

A.文字层

B.调整图层

C.固态层

D.形状图层

After the use of the laser beam, surgeons can perform. operation which ______.

A．leave their patients with negative effects

B．can treat duly human eye diseases

C．do little damage to their patients

D．make their patients need a long time to recover

Which of the following is INCORRECT？

A．Some people feel worse after taking drugs.

B．The effects of drugs can"t last too long.

C．Most of people take drugs to feel better.

D．Friends can be of help to stop drugs abuse.

What does paragraph 3 mainly discuss？

A．Different effects of caffeinated coffee and decal on sleep.

B．Different findings of Lotan Shilo and a team about caffeine.

C．The fact that the subjects slept 415 minutes per night after drinking decaf.

D．The evidence that the subjects took half an hour to fall asleep.