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【单选题】
旅客未按票面指定的日期、车次乘车，且错后乘车（）均按失效处理。
A.
超过1h
B.
超过2h
C.
1h以内
D.
2h以内
拍照语音搜题，微信中搜索"皮皮学"使用
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举一反三
【单选题】度量计算机运算速度的常用单位是( )
A.
MIPS
B.
MHz
C.
MB
D.
Mbps
查看完整题目与答案
【单选题】个案工作过程中，社会工作者在收集完与服务对象问题有关的资料，并对服务对象的问题进行评估，接着应该开展的工作是（ ）
A.
明确服务目标
B.
设计服务活动
C.
签订工作协议
D.
实施服务计划
查看完整题目与答案
【单选题】Stop _________ a noise in the library． The students are reading．books．
A.
make
B.
to make
C.
makes
D.
making
查看完整题目与答案
【单选题】个案工作过程中，社会工作者在收集完与服务对象问题有关的资料，并对服务对象的问题进行评估后，接着应该开展的工作是（ ）。
A.
明确服务目标
B.
设计服务活动
C.
签订工作协议
D.
实施服务计划
查看完整题目与答案
【单选题】在一管路中,原先的单台离心泵操作改为两台同型号的泵串联。只能说( )
A.
串联泵较单台泵实际离心的扬程增大一倍
B.
串联泵的工作点较单台泵的工作点处扬程增大一倍
C.
当流量相同时，串联泵特性曲线上的扬程是单台泵特性曲线上的扬程的两倍
D.
在管路中操作的串联泵，流量与单台离心泵操作时相同，但扬程增大两倍
查看完整题目与答案
【单选题】Woman: Professor Davis caught some students cheating on the final exam and failed them. Man: Serve them right. Question: How does the man react to the womans statement?
A.
He feels sorry for those students.
B.
He thinks it right to punish those students.
C.
He thinks those students should be expelled from college.
D.
He thinks the punishment is too severe.
查看完整题目与答案
【判断题】万用表测量大电流时要将万用表并连扩展量程电阻后串接在被测回路中。
A.
正确
B.
错误
查看完整题目与答案
【单选题】在一管路中，原先的单台离心泵操作改为两台同型号的泵串联。只能说（ ）
A.
串联泵较单台泵实际的扬程增大一倍
B.
串联泵的工作点较单台泵的工作点处扬程增大一倍
C.
串联 泵 工作点 压头有所增加，但没有达到原来的 2 倍，流量也有所增加
D.
在管路中操作的串联泵，流量与单台泵操作时相同，但扬程增大两倍
查看完整题目与答案
【单选题】Woman: I think the Internet is more of a distraction than a benefit to students. Man: That's true. _________
A.
Chatting on the net can be very expensive.
B.
They are putting less time in schoolwork now.
C.
The web pages can sometimes help them with schoolwork.
D.
Their schoolwork doesn't take long enough, does it?
查看完整题目与答案
【单选题】According to the passage, why foreign language students should not worry too much about making mistakes? Because______.
A.
everyone makes mistakes when trying to communicate in a strange language
B.
native speakers like foreign students who try to learn their language
C.
native speakers will ignore their mistakes
D.
communication is the primary goal of language learning
查看完整题目与答案
相关题目：
【单选题】度量计算机运算速度的常用单位是( )
A.
MIPS
B.
MHz
C.
MB
D.
Mbps
查看完整题目与答案
【单选题】个案工作过程中，社会工作者在收集完与服务对象问题有关的资料，并对服务对象的问题进行评估，接着应该开展的工作是（ ）
A.
明确服务目标
B.
设计服务活动
C.
签订工作协议
D.
实施服务计划
查看完整题目与答案
【单选题】Stop _________ a noise in the library． The students are reading．books．
A.
make
B.
to make
C.
makes
D.
making
查看完整题目与答案
【单选题】个案工作过程中，社会工作者在收集完与服务对象问题有关的资料，并对服务对象的问题进行评估后，接着应该开展的工作是（ ）。
A.
明确服务目标
B.
设计服务活动
C.
签订工作协议
D.
实施服务计划
查看完整题目与答案
【单选题】在一管路中,原先的单台离心泵操作改为两台同型号的泵串联。只能说( )
A.
串联泵较单台泵实际离心的扬程增大一倍
B.
串联泵的工作点较单台泵的工作点处扬程增大一倍
C.
当流量相同时，串联泵特性曲线上的扬程是单台泵特性曲线上的扬程的两倍
D.
在管路中操作的串联泵，流量与单台离心泵操作时相同，但扬程增大两倍
查看完整题目与答案
【单选题】Woman: Professor Davis caught some students cheating on the final exam and failed them. Man: Serve them right. Question: How does the man react to the womans statement?
A.
He feels sorry for those students.
B.
He thinks it right to punish those students.
C.
He thinks those students should be expelled from college.
D.
He thinks the punishment is too severe.
查看完整题目与答案
【判断题】万用表测量大电流时要将万用表并连扩展量程电阻后串接在被测回路中。
A.
正确
B.
错误
查看完整题目与答案
【单选题】在一管路中，原先的单台离心泵操作改为两台同型号的泵串联。只能说（ ）
A.
串联泵较单台泵实际的扬程增大一倍
B.
串联泵的工作点较单台泵的工作点处扬程增大一倍
C.
串联 泵 工作点 压头有所增加，但没有达到原来的 2 倍，流量也有所增加
D.
在管路中操作的串联泵，流量与单台泵操作时相同，但扬程增大两倍
查看完整题目与答案
【单选题】Woman: I think the Internet is more of a distraction than a benefit to students. Man: That's true. _________
A.
Chatting on the net can be very expensive.
B.
They are putting less time in schoolwork now.
C.
The web pages can sometimes help them with schoolwork.
D.
Their schoolwork doesn't take long enough, does it?
查看完整题目与答案
【单选题】According to the passage, why foreign language students should not worry too much about making mistakes? Because______.
A.
everyone makes mistakes when trying to communicate in a strange language
B.
native speakers like foreign students who try to learn their language
C.
native speakers will ignore their mistakes
D.
communication is the primary goal of language learning
查看完整题目与答案