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【简答题】
若α、β均为锐角，且 α= π 3 ，sis（α-β）= 1 3 ，则sisβ=______．
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【单选题】We don’t have to hurry as the bus for London at five in the evening.
A.
leaves
B.
left
C.
has been leaving
D.
has left
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【判断题】在选优良品种时，应在专家的指导下，选用经国家有关部门鉴定的品种，这些品种多来源于科研单位、教学单位和经过国家验收认定的育种场内。
A.
正确
B.
错误
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【单选题】—______ Emily is in such a hurry? —I don’t know. She might run to catch the bus.
A.
Do you think why
B.
Why you think
C.
Why not think
D.
Why do you think
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【单选题】— Hurry up. The bus is coming. — Wait a minute. Don’t cross the street___________the traffic lights change to green. A. until B. after C. while D. since
A.
until
B.
after
C.
while
D.
since
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【单选题】Everyone was on time for the meeting_____ Chris, who is always 10 minutes late for everthing.
A.
so
B.
only
C.
even
D.
yet
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【单选题】---Hurry up. The bus is coming. ---Wait a minute. Don’t cross the street ___ the traffic light are green.
A.
if
B.
unless
C.
after
D.
since
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【单选题】成人的0.1秒注意广度在小黑点上平均()个
A.
3—4
B.
4—6
C.
6—8
D.
8—9
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【简答题】M: Excuse me, but I’d better 1)______________ . W: Can’t you stay 2)_____________ ? M: No. I’m sorry, but I really have to go. I’ll 3)____________ if I don’t hurry. W: When does the last bus go? M...
查看完整题目与答案
【单选题】Everyone was on time for the meeting _____ Chris, who is always 10 minutes late for everything.
A.
so
B.
only
C.
even
D.
yet
查看完整题目与答案
【判断题】成人的0.1秒注意广度在小黑点上平均6-8个
A.
正确
B.
错误
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相关题目：
【单选题】We don’t have to hurry as the bus for London at five in the evening.
A.
leaves
B.
left
C.
has been leaving
D.
has left
查看完整题目与答案
【判断题】在选优良品种时，应在专家的指导下，选用经国家有关部门鉴定的品种，这些品种多来源于科研单位、教学单位和经过国家验收认定的育种场内。
A.
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B.
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【单选题】—______ Emily is in such a hurry? —I don’t know. She might run to catch the bus.
A.
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【单选题】— Hurry up. The bus is coming. — Wait a minute. Don’t cross the street___________the traffic lights change to green. A. until B. after C. while D. since
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until
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after
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【单选题】Everyone was on time for the meeting_____ Chris, who is always 10 minutes late for everthing.
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【单选题】---Hurry up. The bus is coming. ---Wait a minute. Don’t cross the street ___ the traffic light are green.
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if
B.
unless
C.
after
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查看完整题目与答案
【单选题】成人的0.1秒注意广度在小黑点上平均()个
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3—4
B.
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C.
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【简答题】M: Excuse me, but I’d better 1)______________ . W: Can’t you stay 2)_____________ ? M: No. I’m sorry, but I really have to go. I’ll 3)____________ if I don’t hurry. W: When does the last bus go? M...
查看完整题目与答案
【单选题】Everyone was on time for the meeting _____ Chris, who is always 10 minutes late for everything.
A.
so
B.
only
C.
even
D.
yet
查看完整题目与答案
【判断题】成人的0.1秒注意广度在小黑点上平均6-8个
A.
正确
B.
错误
查看完整题目与答案