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【单选题】
Which of the following factors will affect the selection of a MPU? ①the pole piece length ②the availability of pre-drilled holes ③the space available for installation.A.
①②
B.
②③
C.
①③
D.
①②③
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举一反三
【单选题】—I lost my money. —_________ .
A.
Oh, you will be more careful
B.
Oh, you must be more careful
C.
Oh, you would be more careful
D.
Oh, you should have been more careful
【单选题】Which of the following ways can help people prevent from bacteria?
A.
Smell and have a careful look at the food.
B.
Only eat the food stored in refrigerator.
C.
Ensure the food is totally heated before eating.
D.
Eat the food before they are thawed.
【单选题】If I had realized that you were really serious in what you said ，I _____ more carefully .
A.
thought it over
B.
had thought over it
C.
would have thought over it
D.
should have thought it over
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