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【单选题】
执行完如下语句后,a的值为: Dim a a=3 a=a+1 %>A.
0
B.
1
C.
3
D.
4
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反馈参考答案：
举一反三
【多选题】（ ）需发布调度命令。
A.
半自动闭塞区间，超长列车头部越过出站信号机（未压上出站方面轨道电路）发车
B.
调度日（班）计划以外，临时加开或停运列车（单机除外）
C.
因行车设备故障、灾害或施工，以及列车中挂有限速的机车车辆等，需要使列车临时限速运行（纳入运行揭示调度命令或本务机车、动车组自身设备原因限速时除外）
D.
正线、到发线接触网停电或送电（接触网倒闸、跳闸后试送电、向中性区送电或弓网故障排查除外）
【简答题】原发性肾病综合征患儿合并血栓发生时，最易发生的血管是____。
【单选题】What is the second destination the travel agent recommend?
A.
Africa
B.
America
C.
China
D.
India
【单选题】What is the second speaker looking for?
A.
A size-40 pullover.
B.
A size 36 pullover.
C.
A size 40 V-neck pullover in grey.
【单选题】What is the second stage in the writing process?
A.
prewriting
B.
composing
C.
revising
【单选题】What is the second difference between the drama detective and the real one?
A.
It is not difficult to make an 'arrest for a real detective.
B.
He has to do much work after finishing arresting.
C.
Having made an arrest , a detective really starts to work.
D.
Both A and B
【单选题】what is the second speaker most probably?
A.
an agent
B.
a PSCO
C.
a shipchandler
D.
a chief engineer
【单选题】What is the second phase of fashion evolution?
A.
"In the street" stage
B.
The trend setter stage
C.
The acceptance stage
D.
The promotional stage
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