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单项选择题

2.梳理成网是将束状纤维梳理成单纤维，形成（）的一种形式。
A、纤维卷
B、纤维团
C、纤维网
D、纤维条

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单项选择题
硬岩是指岩石抗压极限强度大于（ ）。
A.50MPa
B.55MPa
C.60MPa
D.70MPa
单项选择题
　Ron was an engineer. He planned a change and tried the new job of teaching kids how to swim. Ron’s easy manner soon made him a full-time employee at the swim school.
Now, the 40 hours he works a week takes in weekends, early mornings and late afternoons. He earned around 25% less than he did in engineering. But, at 49, he says he has never been happier. “I’ve had a drop in pay, but I’ve cut back on spending, too. I seldom drive to work so don’t have to pay as much for petrol（汽油）. I don’t drink as much. I go walking in my lunch break and I’ve lost 20 kilos. I love going to work. The whole family is a lot happier.”
When one of his brothers called, offering to help him find “a real job”, he answered, “I don’t care. I know what I’m doing is good.”
He admits it was fearful making such a big change when there was the mortgage（分期付款）to pay and kids to clothe and feed, but in the end he feels it is a simple choice. “If you’re in a job you don’t like, get out. Money’s not everything. If you don’t like it, change－find something you’re going to be happy with.”
What’s Ron’s advice to the readers?（　　）
A.Sticktothejobifyouhavekidstoraise
B.Sticktothejobifyouhavemortgagetopay
C.Changethejobifyoudon’tlikeitanymore
D.Changethejobifyoudon’tgetenoughmoney
多项选择题
Intercultural communication is related to             .
A、anthropology
B、psychology
C、education
D、sociology 
E、linguistics
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