在什么状况下装置需紧急停工？

丙二醇可用作（）

A.透皮促进剂

B.气雾剂中的潜溶剂

C.保湿剂

D.增塑剂

E.气雾剂中的稳定剂

可和碱性酒石酸铜试液(斐林试液)发生反应而进行鉴别的药物有

A．醋酸地塞米松

B．葡萄糖

C．蔗糖

D．地高辛

E．异烟肼

2008年7月3日，国务院发布了《关于做好汶川地震灾后恢复重建工作的指导意见》，标志着灾后重建工作纳入法制化轨道。这表明[ ]

①国务院行使了国家立法权②我国政府坚持依法行政③国务院履行社会公共服务职能④我国政府坚持对人民负责

A．①②③

B．②③④

C．①②④

D．①③④

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.

13（）

A.over

B.out

C.off

D.away

在结构化测试用例中，最强的覆盖准则是

A) 判定覆盖
B) 语句覆盖
C) 路径覆盖
D) 条件覆盖