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【简答题】
已知α为第三象限角且 sinα=- 3 5 ， （1）求cosα，tanα； （2）求 sin(α- π 2 )+tan(7π-α) 的值．
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【单选题】len("hello world!")的输出结果为( )
A.
10
B.
11
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12
D.
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【单选题】The divorced mother would have her own family, in which his position as an ______ stepson and his education would not be good.
A.
illicit
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illegal
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illegitimate
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【单选题】听力原文：M Hi, Sara. Is this desk available? I need to find some work space. W Let me think. That's Terry's spot but I think he's working from home today. M That's where Terry sits? Then I can't work ther...
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【判断题】窃蠹幼虫蛀食干燥动植物，如烟叶、药材、标本等。
A.
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B.
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【单选题】表达式len("譬如朝霞,去日苦多。") > len("Hello world!")的结果是:
A.
True
B.
False
C.
1
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0
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【单选题】len("hello world!")的值是( )。
A.
14
B.
12
C.
11
D.
10
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【单选题】下列选项中，属于车船税采用的税率形式的是（ ）
A.
比例税率
B.
定额幅度税率
C.
超额累进税率
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超率累进税率
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A.
14
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12
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11
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比例税率
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定额幅度税率
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超额累进税率
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