We cannot be （）with him due to his misbehavior at the meeting yesterday.
A. pecked
B. reconciled
C. perturbed
D. presumed
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His （）with computers began six months ago.
A. imagination
B. innovation
C. observation
D. obsession
Surely it doesn't matter where charities get their money from: what （）much is what they do with it.
A. counts for
B. asks for
C. consists of
D. approves of
力学性能指标中符号σb表示______。
A. 屈服点
B. 抗拉强度
C. 伸长率
D. 冲击韧度
The instructions on how to use the new machine （）that nobody seemed to be able to understand.
A. were very simplistic
B. was very confused
C. were so confusing
D. was so simplistic
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