智慧职教: Read the passage. Then listen to the news and fill in the blanks with the information (words, phrases or sentences) you hear.冠状病毒问答（WHO）: What is the correct way to wear and dispose of masks?If you decide to wear medical mask which is pleated and flat like this one, it is important to wear and discard it correctly. Otherwise, instead of protecting you, the mask becomes a source of infection because of the germs that may stay on it.To wear it correctly, you should locate the metal strip at the top of the mask, place over your nose bridge, secure the elastics around your ears, or tie the strings behind your head. Make sure it covers your nose, mouth, and chin. While in use, do not touch the front of your mask.To remove the mask, take the elastics from around your ears or untie the strings behind your head. Do not touch the front of the mask as it may be contaminated. Remove the mask and discard in a closed bin.Cleanse your hands with alcohol hand rub or soap and water. Hand hygiene should be done if you accidentally touch the front of your mask while wearing it. If your mask becomes damp or humid, replace it with a new dry mask. Never reuse single-use masks and discard them immediately into closed bins after each use.For more information on mask use and the New Coronavirus, check WHO website at who.int. u VOCABULARY1. mask n. a covering for part or all of the face, worn to hide or protect it 面具；面罩。例如：a gas / surgical mask防毒面具；医用口罩2. pleated adj. having pleats 打褶的；有褶的。例如：a pleated skirt有褶的裙子3. discard v. to get rid of sth that you no longer want or need 丢弃；抛弃。例如：The room was littered with discarded newspapers. 房间里到处是乱扔的报纸。4. contaminate v. to make a substance or place dirty or no longer pure by adding a substance that is dangerous or carries disease 污染；弄脏。例如：The drinking water has become contaminated with lead. 饮用水被铅污染了。If you decide to wear medical mask which is pleated and flat like this one, it is important to wear and (Q1) it correctly. Otherwise, instead of protecting you, the mask becomes a source of infection because of the (Q2) that may stay on it.To (Q3) , you should locate the metal strip at the top of the mask, place over your (Q4), secure the elastics around your ears, or tie the strings behind your head. Make sure it covers your nose, mouth, and chin. While in use, do not touch the (Q5) of your mask.To (Q6) , take the elastics from around your ears or untie the strings behind your head. Do not touch the front of the mask as it may be contaminated. Remove the mask and discard in (Q7) .(Q8) your hands with alcohol hand rub or soap and water. Hand hygiene should be done if you accidentally touch the front of your mask while wearing it. If your mask becomes damp or (Q9) , replace it with a new dry mask. Never (Q10) single-use masks and discard them immediately into closed bins after each use.For more information on mask use and the New Coronavirus, check WHO website at who.int.

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

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

11.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

AfterEffects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

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

关于mask像选择时机的描述,下列说法错误的是____ A: mask像可选择在对比剂出现前 B: mask像可选择在对比剂充盈最佳时机 C: mask像可选择在对比剂消失后 D: mask像只可选择在对比剂充盈前

上面对Mask的作用，形容邪确的是血咪 A: 通过Mask，可以对指定的区域进行屏蔽。 B: 某些Effect须要依据Mask产生息用。 C: 产生屏蔽的Mask必须是开启的 D: 利用于后果Effect的Mask必须是开启的