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【单选题】
某海员在日本购进当地的一台额定电压为110V的家用电动缝纫机带回国内。选配220V/110V变压器降压后,则使用时 。A.
一切正常
B.
电机机体易发热,电机转速偏高
C.
电机转速偏低
D.
电机机体易发热,但转速正常
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【简答题】His mother has a great ______(recover) from her injury. 2.The student is very ______ (help) to others. 3.Mike spent some years in the leading ______ (industry) country. 4.Owing to a ______ (short) of ...
【单选题】_____ is no reason for discharging her.A. Because she was a few minutes late B. Owing to a few minutes being lateC. The fact that she was a few minutes late D. Being a few minutes late
A.
...
B.
...
C.
...
D.
...
【简答题】根据英语翻译以下短语并完成句子。 1. due to _____ 2. owing to _____ 3. as a result of _____ 4. on account of _____ 6. in consequence of / as a consequence of 7. It was _____ your timely help that we accomplished the t...
【单选题】关于奶中微生物污染的说法错误的是
A.
奶中微生物污染包括一次污染和二次污染
B.
奶中微生物污染包括三次污染和四次污染
C.
一次污染是指鲜奶在挤出之前受到了微生物污染
D.
二次污染是指在挤奶过程或乳挤出后被污染
【单选题】Owing to ________ competition among the airlines, travel expenses have been reduced considerably.
A.
fierce
B.
strained
C.
eager
D.
critical
【单选题】关于奶中微生物污染的说法错误的是
A.
奶中微生物包括一次污染和二次污染
B.
奶中微生物包括三次污染和四次污染
C.
一次污染是指鲜奶在挤出之前受到微生物污染
D.
二次污染是指在挤奶过程中或乳挤出后被污染
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