【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( )
【单选题】Stop _________ a noise in the library. The students are reading.books.
【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( )。
【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( )
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
【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并联。只能说()。
B.
当扬程相同时,并联泵特性曲线上的流量是单台泵特性曲线上流量的两倍
D.
在管路中操作的并联泵扬程与单台泵操作时相同,但流量增大两倍
【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.
【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( )
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
【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?