如图26所示电路为电压比较器,它的输入输出传输特性应该是图()。 A.A B.B C

题型:单项选择题

问题:

如图26所示电路为电压比较器,它的输入输出传输特性应该是图()。

A.A

B.B

C.C

D.D

考点:注册环保师环保公共基础知识注册环保工程师上午
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向上排空气法收集氧气时,验满的方法是用_______________放在_________,如果_______________就说明氧气已满。

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患儿男,孕33周早产,生后5小时出现进行性呼吸困难、发绀,拒食,两肺呼吸音低,可闻及细湿啰音。

该患儿目前最主要的护理诊断是()。

A.不能维持自主呼吸

B.营养不足

C.清理呼吸道无效

D.低效性呼吸型态

E.体液不足

题型:单项选择题

Most people would be (1) by the high quality of medicine (2) to most Americans. There is a lot of specialization, a great deal of (3) to the individual, a (4) amount of advanced technical equipment, and (5) effort not to make mistakes because of the financial risk which doctors and hospitals must (6) in the courts if they (7) things badly.

But the Americans are in a mess. The problem is the way in (8) health care is organized and (9) . (10) to pubic belief it is not just a free competition system. The private system has been joined a large public system, because private care was simply not (11) the less fortunate and the elderly.

But even with this huge public part of the system, (12) this year will eat up 84.5 billion dollars—more than 10 percent of the U. S. Budget—large number of Americans are left (13) . These include about half the 11 million unemployed and those who fail to meet the strict limits (14) income fixed by a government trying to make savings where it can.

The basic problem, however, is that there is no central control (15) the health system. There is no (16) to what doctors and hospitals charge for their services, other than what the public is able to pay. The number of doctors has shot up and prices have climbed. When faced with toothache, a sick child, or a heart attack, all the unfortunate persons concerned can do is (17) up. Two thirds of the population (18) covered by medical insurance. Doctors charge as much as they want (19) that the insurance company will pay the bill.

The rising cost of medicine in the U. S. A. is among the most worrying problems facing the country. In 1981 the country’s health bill climbed 15.9 percent--about twice as fast as prices (20) general.

19()

A. knowing

B. to know

C. they know

D. known

题型:单项选择题

车辆管理所在办理机动车驾驶证业务时,经核查发现未按规定参加审验的,应当按规定进行审验。

题型:单项选择题

理中丸可以治疗的病症是()

A.中风

B.干霍乱

C.霍乱

D.喉痹

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