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【单选题】
假定下列各项中的因素变动均处于相关范围内，则能够导致保本点升高的是（）。A.
单价提高
B.
单位变动成本升高
C.
实际销售量增多
D.
单位变动成本减少
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【简答题】完形填空. The phone rang once, twice-then someone picked it up. 'You got the wrong number!' a man's voice said before the line went __ 1 __. But I called again. 'I said you got the wrong number!' came the...
【单选题】-You rang me up at about 10:00 last night, didn't you? -No, I didn't phone you. It ________someone else.
A.
must have been
B.
could be
C.
must be
D.
could have been
【判断题】Punctuate the following passages. Most American people are fond of cats and or dogs, It is said that every year they spend about $5.4 billion on their pets, includin1g $1.5 billion on pet food four ti...
A.
正确
B.
错误
【判断题】I dialed a number and the phone rang once twice then someone picked it up You got the wrong number a husky male voice snapped, before the line went dead mystified I dialed again I said you got the wro...
A.
正确
B.
错误
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