Question

【题目】How to DIY Your Own Mask

During the outbreak of COVID-19, one of the must-have items is the mask. However, many countries are in bad need of medical masks and other protective equipment. 【1】 But we can make our own masks which can be used repeatedly. Now, let’s look at the most popular DIY method for soda bottle gas masks.

【2】 And it doesn’t require huge skills. With necessary materials and a little training, it can be made in 15 minutes.

To make such a mask project, you’ll require a sharp cutting tool, a market, glue, a 2-liter soda bottle, rubberized foam insulation strip (泡沫橡胶绝缘条) and one N95 mask. Total cost may be $5.

First, you’ll have to clean the 2-liter plastic bottle. After that, draw a U-shaped area using the marker. 【3】 Then start with a smaller cut and work your way up from there. Cut away the bottom of the bottle and you’ll end up with a basic shape.

Next, use the rubberized foam insulation as a seal for the edges of the bottle. 【4】 This will serve as a resting place for the N95 mask. Then cut off the N95 mask’s edging carefully. And place is inside the neck of the bottle. The elastic bands (橡皮筋) from the N95 mask will be used to secure the gas mask firmly on your face. Then a DIY gas mask is completed.

Do remember to keep the gas mask stored in a well sealed plastic bag. 【5】

A.In this way you can make good use of the bag.

B.This can prevent it from getting polluted.

C.The soda bottle gas mask is very simple to make.

D.In this situation it is hard for people to get enough masks.

E.It should be big enough to fit your face and yet not too big.

F.Actually, the idea of DIY gas masks dates back to WW II.

G.You should also make a circle of foam insulation inside the bottle.

Answer 1

【答案】

【1】D

【2】C

【3】E

【4】G

【5】B

【解析】

这是一篇说明文。文章介绍“如何自己动手做自己的口罩。”

【1】根据上文提示“然而，许多国家急需医用口罩和其他防护设备。”再根据下文提示“但我们可以自己做口罩，可以重复使用。”承接上下文，D项In this situation it is hard for people to get enough masks.（在这种情况下，人们很难得到足够的口罩。）切题。故选D。

【2】根据下文提示“而且它不需要很高的技能。只要有必要的材料，再稍加训练，15分钟就能做好。”承接下文，C项The soda bottle gas mask is very simple to make.（汽水瓶防毒面具制作起来很简单。）切题。故选C。

【3】根据上文提示“在那之后，用记号笔画一个U形的区域。”再根据下文提示“然后从一个较小的切口开始，从那里开始。”承接上下文，E项It should be big enough to fit your face and yet not too big.（它应该足够大，适合你的脸，但又不是太大。）切题。故选E。

【4】根据上文提示“接下来，使用橡胶泡沫绝缘作为密封的边缘的瓶子。”再根据下文提示“这将作为N95遮罩的休息场所。”承接上下文，G项You should also make a circle of foam insulation inside the bottle.（你还应该在瓶子里面做一个泡沫绝缘圈。）切题。故选G。

【5】根据上文提示“记得将防毒面具储存在密封的胶袋内。”承接上文，B项This can prevent it from getting polluted.（这可以防止它被污染。）切题。故选B。