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【判断题】
在增量模式下，操纵杆每位移一次，机器人就移动一步，如果操纵杆持续一秒或数秒钟，机器人就会持续移动（速率为每秒10步）。A.
正确
B.
错误
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举一反三
【单选题】If the capacity of the refrigeration compressor is too small, the excess vapor will accumulate in the evaporator, causing the pressure to _____.
A.
rise
B.
fall
C.
be maintained constant
D.
None of the above is true
【简答题】一、 Translate the following sentences into Chinese.(4%*10) 1. We should be much obliged if you would inform us, in confidence, of the financial standing and modes of business. 2. Will you please be goo...
【简答题】Put the following sentences into Chinese. Johnson Co. has given us your name as a reference, and we should be very much obliged if you would advise us whether they are of good reputation.
【简答题】Dear Sirs, . (从阿里巴巴网站得知贵公司的名称和地址,我方写信希望和你方建立业务关系) (我方专营电器产品多年) and we are one of the largest importers of electric products in China. We should be much obliged to have some details of the products men...
【单选题】According to the passage, which of the following is true of the small businesses in the U. S. ?
A.
All of them close down in the first two years.
B.
Most of them fail within the first two years.
C.
They all make big profits.
D.
Only half of them continue to operate after the first two years.
【单选题】What is the meaning of the lecture title "The New Small Is Big"?
A.
Nanotechnology uses a new, big microscope to study small particles.
B.
Nanotechnology is becoming commonplace.
C.
Nanotechnology focuses on tiny particles but has great impact.
D.
Nanotechnology involves the technology of molecules and atoms.
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