新核心大学英语科技英语课后练习

新核心大学英语科技英语课后练习

一、单选题:每题2.5分，计37.5分

1. Robots are known to save costs, to improve quality and work conditions, and to minimize waste of resources. In the sentence above, the word “minimize” is closest in meaning to （）. [单选题] *

A)collect

B) reduce(正确答案)

C) develop

D) throw

2. Furthermore, robot-based production increases product quality, improves work

and leads to an optimized use of resources. In the sentence above, the words “an optimized” is closest in meaning to （）. [单选题] *

A)the worst way of

B)a legal way of

C)the best way of(正确答案)

D) a common way

3. Robotic technologies, such as navigation, motion control, sensing and cognition, will enable a broad range of innovations in today's products resulting, for example, in more flexible, environmentally friendly transport systems and intelligent household appliances. In the sentence above, the word “flexible” is closest in meaning to （）. [单选题] *

A)elastic(正确答案)

B)breakable

C) hard

D)solid

4.In addition, the technologies applicable to space robotics will enable a wide range of Earth-based exploration and material processing activities from automated undersea inspection to mining and mineral extraction under hazardous conditions. In the sentence above, the word “hazardous” is closest in meaning to （）. [单选题] *

A)easy

B)difficult

C) ideal

D) dangerous(正确答案)

5. On the other hand, job profiles will improve as robots take over dangerous, dull and dirty jobs not only in the manufacturing industries. In the sentence above, the words “take over” is closest in meaning to （）. [单选题] *

A) take back

B)take away

C) undertake(正确答案)

D) take off

6. Infrared sensors work in conjunction with a lens on the top of the machine that houses

a 360° panoramic camera. In the sentence above, the word “houses” is closest in meaning to （）. [单选题] *

A)hides

B)lifts

C) takes

D)contains(正确答案)

7. It's also worth mentioning that some 360 Eye press materials suggest that the vacuum can identify what kind of surface it's on, and will prioritize cleaning"easier"surfaces first. In the sentence above, the word “prioritize” is closest in meaning to （）. [单选题] *

A)put sth in natural ways

B)treat sth as being more important than other things(正确答案)

C) take sth away quickly

D) place sth in a reversed order

8.Higher CO2 lets plants greenhouses cut water losses because they can take in enough of the gas without opening their stomata as widely. In the sentence above, the word “stomata” is closest in meaning to （）. [单选题] *

A)bellies

B)pores(正确答案)

C)windows

D)doors

9. Currently, induction-loop systems and hearing aids can be used to improve the volume of ambient sounds, but cannot target and amplify specific sounds effectively. In the sentence above, the word “ambient” is closest in meaning to （）. [单选题] *

A)noisy

B)lower

C) surrounding(正确答案)

D)inner