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名29.创立合并
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皮皮学刷刷变学霸
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【单选题】听力原文:W: Are you coming to Jo's housewarming party on Saturday? Susan is going to give me a ride to the party. M: How could she? She doesn't have her licence yet. Q: What does the man mean? (13)
A.
Susan should not be driving.
B.
Susan is not going to the party.
C.
Susan is not a driver.
D.
Susan is not kind enough to give the woman a ride.
【单选题】函数y=2sinx的最小值是( )
A.
2
B.
-2
C.
1
D.
-1
【单选题】函数y=2sinx的最小值为
A.
0
B.
-1
C.
-2
D.
1
【单选题】函数y=-2sinx的最小值为
A.
-1
B.
-2
C.
-3
D.
-4
【单选题】听力原文:W: How about your party last week? M: It was pretty successful and not a single friend was absent. Q: What does the woman mean? (16)
A.
One friend was absent from the party.
B.
All her friends were present at the party.
C.
Not all her friend participated in the party.
D.
All her friend took partners to the party.
【单选题】函数y=1-2sinx 的最小值是( )
A.
-1
B.
1
C.
3
D.
-3
【单选题】已知函数f(x)= x x为有理数 1-x x为无理数 函数f(x)在哪点连续(  )
A.
处处连续
B.
x=1
C.
x=0
D.
x= 1 2
【判断题】在浮动汇率制下,当资本完全流动时,财政政策是有效的。
A.
正确
B.
错误
【单选题】设x∈(0,π),则函数y= sinx 2 + 2 sinx 的最小值是(  )
A.
2
B.
9 4
C.
5 2
D.
3
【单选题】函数 y=2sinx的最小值是
A.
2
B.
1
C.
-1
D.
-2
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