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【单选题】
下列属于非概率抽样方法的是（）.A.
单纯随机抽样
B.
系统（或称机械）抽样
C.
目的（或称判断）抽样
D.
分层抽样
E.
整群抽样
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举一反三
【单选题】----Have you finished your test already? ----Yes, I it in twenty minutes. A.have finished B. finished C. will finish D. had finished
A.
have finished
B.
finished
C.
will finish
D.
had finished
【单选题】.—_____ you _____ your homework yet? —Yes, I _____ it ten minutes ago. A.Did, do, finished B.Have, done, finished C.Have, done, have finished
A.
Did, do, finished
B.
Have, done, finished
C.
Have, done, have finished
【单选题】By the end of next month, this building______.
A.
will be finished
B.
will have finished
C.
will have been finished
D.
have been finished
【单选题】－Have you finished your homework? －Yes, I have. I it this morning.
A.
finish
B.
finishes
C.
finished
D.
have finished
【简答题】--Have you finished drawing your picture , Tom? --Certainly, Mum. I it a few minutes ago. A, already; have finished B. yet; have finished C. already; finished D. yet; f...
【单选题】(单选题)下列不属于导游申请复议权的是( )。
A.
认为符合法定条件申领导游资格证书和导游证，旅游主管部门拒绝颁发或不予答复的
B.
对罚款/吊销导游证/责令改正/暂扣导游证等行政处罚不服的
C.
认为游客损害了自身人格尊严的
D.
认为旅游主管部门侵犯导游人身权的
【单选题】If I had had enough time, I ____my work. A) would finish B) must have finished C) would have finished D) had finished
A.
would finish
B.
must have finished
C.
would have finished
D.
had finished
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