如图所示,由门电路组成的电路,输出端为“1”,指示灯L亮,输出端为“0”,指示灯

题型:选择题

问题:

如图所示,由门电路组成的电路,输出端为“1”,指示灯L亮,输出端为“0”,指示灯L不亮,现要使灯L亮,则AB两输入端分别是(  )

A.“1”、“1”

B.“0”、“0”

C.“1”、“0”

D.“0”、“1”

考点:逻辑电路
题型:选择题

企业经营的自然环境包括()。

A.自然资源

B.气候

C.地理位置

D.地形

E.企业所在位置

题型:选择题

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.

10()

题型:选择题

硫酸在下列各反应中,不起催化剂作用的是(  )

A.蛋白质在稀H2SO4作用下发生水解

B.苯与浓HNO3、浓H2SO4的混合物发生反应

C.淀粉和稀硫酸共热

D.铁块放入浓H2SO4

题型:选择题

如何根据油漆的颜色判断相别?

题型:选择题

使用射孔器推车拉运射孔器时,可能会造成射孔器滑落,砸伤人员,请问一辆射孔器推车每次可以拉运几种型号的射孔器?

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