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完形填空 We were late as usual. My husband had insisted on watering the flowers in the garden by him self, and 1 he discovered that he couldn't manage he asked me for 2 at the last moment. So now we had only an hour to get to the airport. Luckily there were not many cars and buses on the road and we were 3 to get there just in time. We checked in and went straight into a big hall to wait for our 4 to be called. We waited and waited 5 no announcement was made.We asked for 6 and the girl there told us that the 7 hadn't arrived yet. In the end there came an announcement telling us that those 8 for Flight JJ 108 could get a free meal voucher (代金卷) and that the plane hadn't left Spain 9 technical problems. We thought that meant that it was not 10 for the plane to 11 . We waited again for a long time until half 12 when we were asked to report again. This time we were given free vouchers to spend the night in a 13 hotel. The next morning after a 14 night because of all the planes 15 off and landing, we were reported back to the airport. Guess 16 had happened while we were 17 . Our plane had arrived and taken off again. All the other 18 had been woken up in the night to 19 the plane, but for some reason or other we had been 20. You can imagine how we felt. (     )  1.A. when (     )  2.A. food (     )  3.A. impossible (     )  4.A. plane (     )  5.A. so (     )  6.A. time (     )  7.A. policeman (     )  8.A. coming (     )  9.A. for (     )10.A. possible (     )11.A. repair (     )12.A. evening (     )13.A. faraway (     )14.A. bad (     )15.A. turning (     )16.A. what (     )17.A. awake (     )18.A. workers (     )19.A. get (     )20.A. woken B. before B. advice B. necessary B. flight B. but B. advice B. plane B. sitting B. since B. important B. sell B. noon B. nearby B. quiet B. putting B. where B. asleep B. planes B. catch B. announced C. while C. praise C. able C. fly C. otherwise C. help C. driver C. waiting C. because C. safe C. fly C. morning C. distant C. sweet C. taking C. it C. alone C. passengers C. drive C. lost D. until D. help D. unable D. flying D. if D. information D.train D. working D. from D. difficult D. telephone D. afternoon D. silent D. pleasant D. keeping D. that D. afraid D. flights D. ride D. forgotten
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【简答题】可能预示将来左右手的用手习惯的无条件反射是( )。
【单选题】在假设检验中 , H 0 表示原假设 , H 1 为备选假设 , 则称为犯第二类错误的是
A.
H 1 不真 , 接受 H 1
B.
H 0 不真 , 接受 H 1
C.
H 0 不真 , 接受 H 0
D.
H 0 为真 , 接受 H 1
【单选题】在假设检验中 , 表示原假设 , 为备选假设 , 则称为犯第二类错误的是( )。
A.
不真 , 接受
B.
不真 , 接受
C.
不真 , 接受
D.
为真 , 接受
【单选题】社会主义初级阶段我国民族问题的主要内容和实质是( )。
A.
阶级斗争
B.
民族矛盾
C.
经济社会发展的差距
D.
两极分化的出现
【单选题】在假设检验中, H 0 表示原假设, H 1 表示备选假设,则犯第一类错误的事件是 ( )
A.
H 0 为真时,接受 H 1
B.
H 0 为真时,接受 H 0
C.
H 0 不真时,接受 H 0
D.
H 0 不真时,接受 H 1
【多选题】在假设检验中,当作出拒绝原假设而接受备择假设的结论时,表示( )。
A.
有充足的理由否定原假设
B.
原假设必定是错误的
C.
犯错误的概率不大于α
D.
犯错误的概率不大于β
E.
在H0为真的假设下发生了小概率事件
【单选题】中心性渗出性视网膜脉络膜病变多见于( )
A.
儿童
B.
青少年
C.
中青年
D.
中老年
E.
老年
【单选题】乡村旅游不仅是单一的观光活动,而且还包括劳作、垂钓、喂养、采摘等活动,这说明乡村旅游具有的特征是( )
A.
资源的丰富性
B.
时间季节性
C.
产品文化性
D.
行为参与性
【多选题】以下关于导游劳动报所权,说法正确的是( )
A.
旅行社应当向专职导游支付劳动报酬,缴纳社会保险
B.
旅行社应当向兼职导游支付劳动报酮,缴纳社会保险
C.
旅行社应当向专职导游支付约定的导游服务费
D.
旅行社应当向兼职导游支付约定的导游服务费
E.
旅行社不得要求导游垫付或者向导游收取费用
【简答题】已知甲基丙烯酸甲酯、丙烯酸甲酯、苯乙烯、马来酸酐、醋酸乙烯、丙烯腈等单体与丁二烯共聚时的竞聚率分别为0.25,0.05,0.58,5.74×10 -5 ,0.013,0.02,相对应的丁二烯的竞聚率分别为0.75,0.76,1.35,0.325,38.45,0.3,试以交替倾向的次序排列上述单体,并说明原因。
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