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【单选题】
MATLAB（Octave）软件的基本运算单位是：A.
矩阵
B.
向量
C.
标量
D.
函数
E.
字符
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举一反三
【单选题】I the plumber as I learnt later that John had already phoned him.
A.
needn't phone
B.
needn't have phoned
C.
shouldn't phone
D.
shouldn't have phoned
【单选题】听力原文：M: Anthony, did you fix the leaky faucet? W: No, I had the plumber do it. Q: What happened to the faucet? (15)
A.
Anthony fixed it.
B.
The plumber fixed it.
C.
It was left leaking.
D.
It was removed.
【简答题】Corrections should be done as follows: Wrong word: underline the wrong word and write the correct word in the blank. Extra word: delete the extra word with an “×.” Missing word: mark the position of t...
【简答题】这是改错题,不是填空题哈! Correct the errors in the following passage. The passage contains ten errors, one in each indicated line. In each case, only one word is involved. Answers should be given like this: is -...
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