In general, when replying to an email it is best to __________. A: Reply to all B: Reply to sender C: Reply to some D: Reply to recipient

If a “Please reply by” a ____________ date is included in the invitation, be polite enough to reply by ____________.

关于mask像选择时机的说法，不正确的是 A: mask像可在后处理中重新选择 B: mask像可在对比剂出现之前选择 C: mask像可以在对比剂充盈最佳时选择 D: mask像可以在对比剂消失时选择 E: mask像只能在充盈前选择

下面对Mask的作用，描述正确的是： A: 通过Mask，可以对指定的区域进行屏蔽。 B: 某些Effect需要根据Mask发生作用。 C: 产生屏蔽的Mask必须是封闭的 D: 应用于效果Effect的Mask必须是封闭的

After Effects 为遮罩制作形状动画后,使用下列哪个命令可以方便的提高动画精度? A: 调节 Mask Feather B: 修改 Mask Opacity C: 应用 Smart Mask Interpolation D: 设置 Mask Expansion

We look forward to ________ . A: receive your early reply B: your reply soon C: hearing from you soon D: your early reply

5. If a “Please reply by a __________ (give) date” is included in the invitation, be polite enough to reply by that date.

下面对Mask的作用，描述正确的是：（） A: 通过Mask，可以对指定的区域进行屏蔽 B: 某些Effect需要根据Mask发生作用 C: 产生屏蔽的Mask必须是封闭的

8. The offer is firm subject ____ before October 1.A. for your reply reaches us B. for your reply reaching usC. to our receiving your reply D. to your reply arriving at us A: A B: B C: C D: D

下列命令中，在路由器中静态添加路由表信息正确的是（） A: ARoute add 192.168.0.0 mask 255.255.255.0192.168.0.1 B: BRoute add 192.168.0.2 mask 255.255.0.0192.168.0.1 C: CRoute add 192.168.0.0 mask 255.255.0.0192.168.0.1 D: DRoute add1 92.168.0.2 mask 255.255.255.0192.168.0.1