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【判断题】
优质碳素结构钢的钢号用二位数字表示，如45号钢表示平均含碳量为4.5%的优质碳素结构钢。A.
正确
B.
错误
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【简答题】完形填空。 Nobody can be happy all the time. You may become unhappy sometimes.1______, when you fail an exam. Or you may become sad when you lose one of your friends or relatives. It's 2______ to have thes...
【单选题】spending your vacation in a hotel. Why not try hiking in the country?
A.
Instead of
B.
Because of
C.
As a result of
D.
In spite of
【简答题】Listen to a short talk and fill in the blanks of the sentences with two or three words. Getting to know the following useful language first might be helpful. 1) It is clear that nobody can be a winner...
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