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【判断题】
当空间两点位于同一投影线上时。它们在该投影面上的投影重合为一点 , 可只标注一点
A.
正确
B.
错误
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参考答案：
举一反三
【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.
查看完整题目与答案
【单选题】函数y=2sinx的最小值是( )
A.
2
B.
-2
C.
1
D.
-1
查看完整题目与答案
【单选题】函数y=2sinx的最小值为
A.
0
B.
-1
C.
-2
D.
1
查看完整题目与答案
【单选题】函数y=-2sinx的最小值为
A.
-1
B.
-2
C.
-3
D.
-4
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【单选题】听力原文：M: Did you invite Ben to the party? W: He's away at a conference until tomorrow. What does the woman mean?
A.
Ben will be the party.
B.
He is at a conference tomorrow.
C.
She's been unable to invite Ben.
查看完整题目与答案
【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.
查看完整题目与答案
【单选题】函数y=1-2sinx 的最小值是( )
A.
-1
B.
1
C.
3
D.
-3
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【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
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【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
查看完整题目与答案
【单选题】函数 y=2sinx的最小值是
A.
2
B.
1
C.
-1
D.
-2
查看完整题目与答案
相关题目：
【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.
查看完整题目与答案
【单选题】函数y=2sinx的最小值是( )
A.
2
B.
-2
C.
1
D.
-1
查看完整题目与答案
【单选题】函数y=2sinx的最小值为
A.
0
B.
-1
C.
-2
D.
1
查看完整题目与答案
【单选题】函数y=-2sinx的最小值为
A.
-1
B.
-2
C.
-3
D.
-4
查看完整题目与答案
【单选题】听力原文：M: Did you invite Ben to the party? W: He's away at a conference until tomorrow. What does the woman mean?
A.
Ben will be the party.
B.
He is at a conference tomorrow.
C.
She's been unable to invite Ben.
查看完整题目与答案
【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.
查看完整题目与答案
【单选题】函数y=1-2sinx 的最小值是( )
A.
-1
B.
1
C.
3
D.
-3
查看完整题目与答案
【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
查看完整题目与答案
【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
查看完整题目与答案
【单选题】函数 y=2sinx的最小值是
A.
2
B.
1
C.
-1
D.
-2
查看完整题目与答案
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