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【简答题】
函数y=3sin(2x+ )的振幅为 周期为 和 (15.0分) 用五点法作出函数 y=3sin( 2x+ π/3 ) 在一个周期上的图象 (55.0分)
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The test was harder than he had anticipated.
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He was lucky to pass the biology test.
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相关题目：
【单选题】听力原文：W: Don't you think Professor Martin's test was too difficult? M: Well, I must admit I had been expecting more than a passing grade in biology. Q: What does the man mean? (14)
A.
The test was harder than he had anticipated.
B.
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C.
Professor Martin is known for giving hard tests.
D.
He has never failed in biology.
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A.
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