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完形填空。 Some people were eating and drinking in a coffee shop. A young woman was sitting alone at a table. She was 1 a beautiful diamond necklace. There was an ugly man at a table not far 2 her. He was looking at her necklace all the time. Suddenly the lights went 3 . The coffee house was in the dark. The woman started to 4 . She was very 5 . A few minutes later, the lights came on again. The woman was crying. Her necklace was 6 . The manager quickly 7 all the doors. He telephoned the police. 8 could get out of the coffee house. The policemen soon came. The police officer 9 his men to search everyone.The necklace was not on 10 . They then searched the whole coffee house. They could 11 nothing. The police officer 12 the faces of all the people in the coffee house. He saw the ugly man and looked at the man carefully. He went up to the man and picked 13 the bowl of soup 14 was on the table. He then poured the soup into the glass. The necklace fell out. The policemen caught the man and 15 him away. The young woman was happy to get back her necklace. (     )1. A.wearing (     )2. A.by (     )3. A.down (     )4. A.cry (     )5. A.happy (     )6. A.miss (     )7. A.opened (     )8. A.No one (     )9. A.decided (     )10. A.everyone (     )11. A.look for (     )12. A.watched (     )13. A.on (     )14. A.there (     )15. A.carried B.dressing B.to B.out B.laugh B.exciting B.gone B.had opened B.Anyone B.hoped B.anyone B.see B.saw B.out B.that B.brought C.putting on C.beside C.away C.shout C.afraid C.lose C.closed C.Someone C.let C.someone C.find C.looked around C.up C.it C.got D.having on D.from D.up D.sing D.sad D.losing D.had closed D.Everyone D.asked D.the ugly man D.find out D.looked D.over D./ D.took
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参考答案:
举一反三
【单选题】《 马嵬(其二) 》是唐代哪位诗人所写
A.
李 商隐
B.
王维
C.
李白
D.
杜甫
【多选题】关于总体参数的单侧置信区间,以下说法正确的有( )
A.
总体参数的单侧置信区间的一个区间端点为+ 或-
B.
总体参数的单侧置信区间的一个区间端点是基于未知参数的点估计构造的
C.
单正态总体均值的单侧置信区间不是对称区间
D.
计算单正态总体均值的单侧置信区间和双侧置信区间时所用的分布的临界值相同
E.
计算单正态总体均值的单侧置信区间和双侧置信区间时所用的分布的临界值不同
【单选题】来自门静脉的栓子随血液运行,首先栓塞于
A.
B.
C.
D.
【多选题】影响根系吸水的条件有
A.
土壤水分
B.
土壤温度
C.
土壤通气状况
D.
土壤pH
【多选题】关于总体参数说法正确的是
A.
总体参数 是总体各单位的标志值或属性值计算的,反映总体特征的综合指标
B.
总体参数主要有总体的均值μ 、比率 π 和方差σ² (或标准差σ )等
C.
总体参数的值是一个常数,不会随着抽取的样本不同而不同,但这个常数通常是未知的
D.
总体参数的值需要通过收集整理数据(调查问卷)来估计
【单选题】土壤温度过低使植物根系吸水困难的原因有( )。
A.
根系生长缓慢,减低吸收面积
B.
根系呼吸增强,影响主动吸水
C.
原生质粘性减少,吸收阻力增大
D.
水的粘性减少,扩散减慢
【多选题】下面关于估计与假设检验说法正确的是:
A.
都是由样本推断总体参数的信息
B.
估计关心的是总体参数的值为多少
C.
假设检验关心的是总体参数的值是否等于某个特殊值
D.
假设检验优于估计
【单选题】下列关于根系吸水的叙述中,错误的一项是(  )
A.
根系吸水的动力有根压和蒸腾拉力二种
B.
根压的严生是由于根部细胞的渗透作用引起的
C.
土壤的温度、通气状况等外界条件对根系的吸水影响很大
D.
由根压引起的吸水为主动吸水,所以一年四季中,吸水的主要动力是根压
【判断题】旅游电子商务是在互联网产生之后才有的。
A.
正确
B.
错误
【单选题】关于总体参数和统计量的说法正确的是( )。
A.
总体参数是随机变量
B.
样本统计量都是总体参数的无偏估计量
C.
对一个总体参数进行估计时,统计量的表达式是唯一的
D.
样本统计量是随机变量
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