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举一反三
【单选题】有关先心病房间隔缺损,下列哪一项是错误的:
A.
是左到右分流的先心病
B.
正位胸片可见肺血管纹理增粗、增多
C.
透视下可见“肺门舞蹈”
D.
右心房增大
E.
左心室增大
【单选题】以下关于优先级设定的说法,正确的是
A.
用户进程的优先级应高于系统进程的优先级
B.
资源要求多的进程优先级应高于资源要求少的进程的优先级
C.
随着进程的执行时间的增加，进程的优先级应降低
D.
随着进程的执行时间的增加，进程的优先级应提高
【单选题】以下关于优先级设定的说法,( )正确
A.
用户进程的优先级应高于系统进程的优先级
B.
资源要求多的进程优先级应高于资源要求少的进程的优先级
C.
随着进程的执行时间的增加,进程的优先级应降低
D.
随着进程的执行时间的增加,进程的优先级应提高
【单选题】以下关于优先级设定的说法,()正确。
A.
用户进程的优先级应高于系统进程的优先级
B.
资源要求多的进程优先级应高于资源要求少的进程的优先级
C.
随着进程的执行时间的增加，进程的优先级应提高
D.
随着进程的执行时间的增加，进程的优先级应降低
【单选题】Do you often go to_________ football games______ your friends? [ ]
A.
watch, and
B.
look at, with
C.
watch, with
【单选题】“Would you like to watch TV or listen to the radio?” “________.”
A.
Yes, I’d like to watch TV
B.
No, I do not watch TV
C.
Yes, to listen to the radio
D.
I’d like to watch TV
【单选题】—May I watch TV for a while？ —No,you .You have to finish your homework first.
A.
shouldn't
B.
needn't
C.
mustn't
D.
won't
【单选题】While you are on watch entering port, the Master gives the helmsman a rudder command which conflicts with a rudder command from the Pilot. You should make sure the helmsman ______.
A.
obeys the Pilot
B.
obeys the Master
C.
asks you for instructions
D.
brings the rudder to a point midway between the two conflicting positions
【单选题】“What did you do last night?” “I did my homework and ________TV.” [ ]
A.
watch
B.
watched
C.
will watch
D.
am watching
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