【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 _____.
C.
be maintained constant
D.
None of the above is true
【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】What does the woman mean?
A.
The glasses is too dirty.
B.
The glasses is too small.
C.
The glasses is too larg
【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】直接工程费是指施工过程中耗费构成工程实体的各项费用,以下不属于直接工程费的是( )
【单选题】以下不属于工程费用组成中税金的费用是()