4.在等差数列{an}中,a4+a6+a8+a10+a12=120,则a9-
a11的值为
A.14 B.15 C.16 D.17
3.若
,且
是第四象限的角,则![]()
A.
B.
C.
D.![]()
2.已知集合
,
,![]()
A.
B.
C.
D.![]()
1.已知
是虚数单位,则在复平面内,复数
所对应的点位于
A.第一象限 B.第二象限 C.第三象限 D.第四象限
|
It was 7:15 in the morning of February 8, 2007.I was |
76.
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walking along Park Road towards
the east while an |
77.
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old man came out
of the park on the other sides of the |
78.
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street.Then I
saw a yellow car to drive up and make a right |
79.
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turn into Park
Road.Then the car hit the man while she |
80.
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was crossing the
road.He fall with a cry.The car drove off |
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at full speed
heading west.I noticed the driver was old woman |
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worn a pair of
glasses and the plate number was AC864. |
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After two minutes ,I tried to stop a passing car |
84.
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and took the old man to the near
hospital. |
85.
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