试题与答案

下列装置、操作及说法正确的是() A.图1用于海水蒸馏 B.图2用于铜与浓硝酸

题型:选择题

题目:

下列装置、操作及说法正确的是(   )

A.图1用于海水蒸馏

B.图2用于铜与浓硝酸反应制取NO2

C.图3用于实验室制氨

D.图4中X若为四氯化碳,可用于吸收氯化氢气体,并防止倒吸

答案:

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题型:单项选择题

设二维数组F的行下标为1~5,列下标为0~8,F的每个数据元素均占4个字节。在按行存储的情况下,已知数据元素F[2,2]的第一个字节的地址是1044,则F[3,4]和F[4,3]的第一个字节的地址分别为 (41) (42) ,而数组的第一个数据元素的第一个字节和数组最后一个元素的最后一个字节的地址分别为 (43) (44)

对一般的二维数组G而言,当 (45) 时,其按行存储的G[i,j]的地址与按列存储的G[j,i]的地址相同。

 

44()

A.1183

B.1179

C.1164

D.1187

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题型:填空题

In its more extreme forms persecution mania is a recognized

form of insanity. Some people imagine that others wish to kill

them, or imprison them, or to do them some other grave injury.

Often the wish to protect themselves from imaginary persecutors   (1)______

leads them into acts of violence which make it necessary to restrain

their liberty. This, like many other forms of insanity, is

only an exaggeration of tendency not at all uncommon among      (2)______

people who count as normal. I do not propose to discuss

the extreme forms, that are a matter for a psychiatrist.       (3)______

It is the milder forms that I wish to consider, since they      (4)______

are a very frequent cause of unhappiness, and because, not having

gone much far as to produce definite insanity, they          (5)______

are still capable of being dealt by the patient himself,       (6)______

provided he can be induced to diagnose his trouble

right and to see that its origin lies within himself and        (7)______

not in the supposed hostility and unkindness of others.        (8)______

We are all familiar with the type of person, man or woman,

who, according to his own account, is perpetually the victim

of ingratitude, unkindness, and treachery. People of such kind     (9)______

are often extraordinarily plausible, and secure warm sympathy

from those who have not known them long. There

is, as a rule, nothing inherently improbable about every separate    (10)______

story that they relate.

9()

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