第八章单元测试
- The operation could （ ） her life by two or three years.
- Before the project was started, we asked the designer to give us an （ ） of the cost of building such a museum.
- They decided to （ ） their original plans for the house and make it smaller.
- The morning news says a school bus （ ） with a train at the junction and a group of policemen were sent there immediately.
- PLA is one of the few types of plastic suitable not only for 3-D printers but for some （ ） medical items such as suture threads.
- How much greenhouse gases into the air every year do we release by the video?（ ）
- By the video of Everyday English on Environment, why do they choose the topic of Environment?（ ）
- The birds can predict the approaching storm or tornado（ ）。
- We should switch our energy system towards a more renewable one（ ）。
- We can use the lift when we encounter the earthquake（ ）。
A:increase B:expand C:Continued D:prolong
答案:prolong
A:evaluation B:assessment C:estimate D:Announcement
A:look down upon B:keep down C:scale down D:break down
A:collided B:bumped C:Stuck D:crashed
A:non-toxic B:recycled C:Plastic D:biodegradable
A:50 gigatons B:54 gigatons C:55 gigatons D:500 gigatons
A:Because they like it. B:Because it is an important topic. C:Because the topic might come up in an English test. D:Because it is talked in our book.
A:对 B:错
A:对 B:错
A:错 B:对
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