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【简答题】
（1）已知tanα=2，求 3sinα-2cosα sinα+3cosα +sin 2 α-3sinα?cosα的值． （2）已知角α终边上一点P（- 3 ，1），求 cos( π 2 +α)sin(-π-α) cos( 11π 2 -α)sin( 9π 2 +α) 的值．
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反馈参考答案：
举一反三
【单选题】－How was your final exam, Tom? －I’m sorry, dad. I failed and only then the importance of studies.
A.
I realized
B.
I had realized
C.
had I realized
D.
did I realize
【单选题】—Did you have a talk with Tom? —No.I was trying to _________ a chance to do so,but I failed.
A.
seize
B.
grasp
C.
form
D.
catch
【简答题】C语言中的基本数据类型有( )、( )和( )。
【单选题】— The English exam is not difficult, is it? — _____. Even Tom _____ to the top students failed in it. [ ]
A.
Yes; beloned
B.
not ; beloned
C.
Yes; belonging
D.
no; beloning
【简答题】Why does the actor hope that the audience won’t be scared?
【单选题】Tom: I failed the exam last week. Sally: Don't be upset. Try it again. From the dialogue, we know that ________.
A.
Tom is happy now
B.
Sally laughs at Tom
C.
Sally is trying to encourage Tom
D.
Tom failed for the first time
【单选题】---Tom is such a stupid student that he had failed in every exam. ---Sorry, I won’t agree. He is ________ than stupid.
A.
lazier
B.
no lazier
C.
more lazy
D.
lazier rather
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