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【多选题】
以下关于噪声的说法错误的是A.
处于120dB以下环境中可造成永久性失聪
B.
只有噪声到达120dB才能对人产生干扰
C.
噪声对健康没有明显的影响
D.
噪声的危害程度与音量，频率有关
E.
长时间处于80dB以下的噪音环境可导致耳鸣，血压升高等
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举一反三
【单选题】A) He has a strange personality. B) He’s got emotional problems. C) His illness is beyond cure. D) His behavior is hard to explain.
A.
He has a strange personality.
B.
He’s got emotional problems.
C.
His illness is beyond cure.
D.
His behavior is hard to explain.
【单选题】Pride and some strange senseof honor must have ____ my parents to their chairs. A. sat B. seated C. situation D. anchored
A.
sat
B.
seated
C.
situation
D.
anchored
【单选题】When did you buy these new CDs? I them for two days.
A.
had
B.
have bought
C.
have had
【简答题】What does the woman think of the man ’ s English? A . Excellent. B . Acceptable. C . Strange.
【简答题】What does the man think of the woman’s opinion?A. A. Reasonable B. . B. Strange. C. C. Confusing.
【单选题】— Is that a new car? — No, I _____ it two years ago. [ ]
A.
have
B.
buy
C.
have had
D.
bought
【单选题】Strange _______ his behavior may be, there is a very good reason for it.
A.
although
B.
even if
C.
that
D.
as
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