For the people who have never traveled acr

题型:单项选择题

问题:

For the people who have never traveled across the Atlantic the voyage is a fantasy. But for the people who cross it frequently one crossing of the Atlantic is very much like another, and they do not make the voyage for the (56) of its interest. Most of us are quite happy when we feel (57) to go to bed and pleased when the journey (58) . On the first night this time I felt especially lazy and went to bed (59) earlier than usual. When I (60) my cabin, I was surprised (61) that I was to have a companion during my trip, which made me feel a little unhappy. I had expected (62) but there was a suitcase (63) mine in the opposite corner. I wondered who he could be and what he would be like. Soon afterwards he came in. He was the sort of man you might meet (64) , except that he was wearing (65) good clothes that I made up my mind that we would not (66) whoever he was and did not say (67) . As I had expected, he did not talk to me either but went to bed immediately.
I suppose I slept for several hours because when I woke up it was already the middle of the night. I felt cold but covered (68) as well as I could and tried to go back to sleep. Then I realized that a (69) was coming from the window opposite. I thought perhaps I had forgotten (70) the door, so I got up (71) the door but found it already locked from the inside. The cold air was coming from the window opposite. I crossed the room and (72) the moon shone through it on to the other bed. (73) there. It took me a minute or two to (74) the door myself. I realized that my companion (75) through the window into the sea.

A. draft B. voice C. air D. sound

考点:普通考研考研数学(三)考研数学三
题型:单项选择题

已知一组数据:x1,x2,x3,x4,x5的平均数是3,则(x1-2),(x2-2),(x3-2),(x4-2),(x5-2)的平均数是(    )。

题型:单项选择题

有职工工资表(职工号、姓名、日期、基本工资、奖金、工资合计),其中“工资合计”等于同一行数据的“基本工资”与“奖金”之和,在职工工资表中插入一行数据时(设一次只插入一行数据)能实现自动计算“工资合计”列的值的代码是______。

A.ALTER TABLE职工工资表ADD CHECK(工资合计=基本工资+奖金)

B.UPDATE职工工资表SET工资合计=基本工资+奖金

C.INSERT INTO职工工资表(工资合计)VALUES(基本工资+奖金)

D.CREATE TRIGGER TRION职工工资表FOR INSERTAS UPDATE职工工资表SET 工资合计=基本工资+奖金FROM职工工资表 a JOIN INSERTED b ON 职工号=职工号AND 日期=日期

题型:单项选择题

电缆穿过墙壁部分应用()保护,并严密封堵管口。

题型:单项选择题

下列工具属于基本安全用具的是()

A、绝缘手套

B、绝缘垫

C、绝缘站台

D、绝缘棒

题型:单项选择题

当地时间2011年3月11日14时46分,日本东北部宫城县以东海域发生日本有观测史以来(同时也是世界观测史)震级最高的地震──里氏9级地震,读图,回答下列问题。

中国援助的救灾物资由北京运往地震灾区,其最短航线的航向是()

A.飞向正东

B.飞向东南

C.飞向东北

D.先向东北,再向东南

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