Jackson结构化程序设计方法是英国的M.Jackson提出的，它是一种面向___

慢性根尖周炎主要的病变类型（）

A.致密性骨炎

B.根尖肉芽肿

C.根尖囊肿

D.根尖脓肿

E.有瘘性根尖脓肿

审批部门应当收到环境影响登记表之日起( )内作出审批决定并书面通知建设。

A．15天

B．30天

C．45天

D．60天

艾滋病
艾滋病是一种威胁生命的疾病，它侵袭人体内的自然免疫系统，破坏人体的自卫能力。
艾滋病本身并不致命，但是，由于人体的免疫系统遭到破坏，病人几乎没有能力来抵御其他许多疾病的侵袭，例如，肺炎、癌症、致盲性疾病和精神错乱。
艾滋病病毒存在于人的体液中。这种病毒可以通过性生活或共用静脉注射器传播，也可以通过血制品传播，并且可以从患爱滋病的孕妇身上传播给她的妊娠婴儿。
有关艾滋病传播的许多说法是错误的。与爱滋病患者一起工作或上学不会传染上艾滋病，触摸他们用过的饮水杯或其他东西也不会传染上艾滋病。专家们说：没有人因为与艾滋病患者一起生适、照料艾滋病患者或触摸艾滋病患者而染上艾滋病。

For centuries people have been fighting over whether governments should allow trade between countries. There have been, and probably always will be, (1) to the argument. Some people argue that just (2) is best for both the country and the world. Others argue that trade with other countries (3) for some people to make a good living. Both sides are at least (4) .
International trade matters a lot. Its effects on (5) are enormous. Imagine a world in which your country (6) at all with other countries. Imagine what kind of job you would be (7) and what goods you could buy or not buy in such a world.
For the United States, for example, start by imagining that it lived without its (8) a year in imported oil, and cut back on its (9) because the remaining domestic oil and other energy sources were (10) . Producers and consumers in other parts of the economy would (11) if they were suddenly stripped of foreign-made goods like CD players and clothing. On the (12) side, suppose that Boeing could sell airplanes, and farmers could sell their crops, (13) the United States, and that U. S. universities could admit only (14) . In each case there are people who gain and people who lose from (15) international trade. In any case, less or more international trade will have (16) on your career as well as your life.
For years, American companies are often faced with the choice of buying (17) , which are expensive, and foreign-made goods, which are cheap. If the company buys American goods, it may (18) taxpayers by failing to keep prices low. But if it buys foreign goods, it may (19) the jobs of American workers. Recently, Congress has passed a law compelling American companies with government contracts to (20) domestic goods and services.

For centuries people have been fighting over whether governments should allow trade between countries. There have been, and probably always will be, (1) to the argument. Some people argue that just (2) is best for both the country and the world. Others argue that trade with other countries (3) for some people to make a good living. Both sides are at least (4) .
International trade matters a lot. Its effects on (5) are enormous. Imagine a world in which your country (6) at all with other countries. Imagine what kind of job you would be (7) and what goods you could buy or not buy in such a world.
For the United States, for example, start by imagining that it lived without its (8) a year in imported oil, and cut back on its (9) because the remaining domestic oil and other energy sources were (10) . Producers and consumers in other parts of the economy would (11) if they were suddenly stripped of foreign-made goods like CD players and clothing. On the (12) side, suppose that Boeing could sell airplanes, and farmers could sell their crops, (13) the United States, and that U. S. universities could admit only (14) . In each case there are people who gain and people who lose from (15) international trade. In any case, less or more international trade will have (16) on your career as well as your life.
For years, American companies are often faced with the choice of buying (17) , which are expensive, and foreign-made goods, which are cheap. If the company buys American goods, it may (18) taxpayers by failing to keep prices low. But if it buys foreign goods, it may (19) the jobs of American workers. Recently, Congress has passed a law compelling American companies with government contracts to (20) domestic goods and services.

兼有焦虑症的溃疡病宜选用何药治疗（）

A.阿托品

B.山莨菪碱

C.东莨菪碱

D.新斯的明

E.胃复康