化简求值:(x+2y)2-(x+y)(3x-y)-5y2,其中x=-2,y=12

题型:解答题

问题:

化简求值:(x+2y)2-(x+y)(3x-y)-5y2,其中x=-2,y=
1
2
考点:整式的加减乘除混合运算
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男性患者,42岁,糖尿病20年,1d前出现恶心、呕吐,化验尿酮体()。

如果一名患者呕吐物带发酵、腐败气味提示

A.低位小肠梗阻

B.急性肠炎

C.胃潴留

D.胃泌素瘤

E.贲门狭窄

题型:解答题

标志着物业管理行业成熟的是()。

A.行业管理组织的成立

B.行业自治组织的成立

C.行业协会组织整顿的完成

D.行业协会组织的成立

题型:解答题

当基金发生涉及托管人及托管业务的以下()重大事件,托管人应当在事件发生之日起2日内编制并披露临时公告书,并报中国证监会备案。

A.基金托管人的专门基金托管部门的负责人变动

B.基金托管人的专门基金托管部门的主要业务人员在1年内变动超过30%

C.托管人召集基金份额持有人大会

D.托管人的法定名称或住所发生变更

题型:解答题

写出下列反应的文字表达式,并指出是化合反应,还是分解反应.

①实验室制二氧化碳:______;

②铁丝在氧气中燃烧:______,属______反应;

③加热碳酸:______,属______反应.

题型:解答题

Euthanasia has been a topic of controversy in Europe since at least 1936. On an average of six times a day, a doctor in Holland practices "active" euthanasia: (1) administering a lethal drug to a (2) ill patient who has asked to be relieved (3) suffering. Twenty times a day, life prolonging treatment is withheld or withdrawn (4) there is no hope that it can (5) an ultimate cure. "Active" euthanasia remains a crime on the Dutch statute books, punishable (6) 12 years in prison. But a series of court cases over the past 15 years has made it clear that a competent physician who (7) it out will not be prosecuted.

Euthanasia, often called "mercy killing", is a crime everywhere in Western Europe. (8) more and more doctors and nurses in Britain, Germany, Holland and elsewhere readily (9) to practicing it, most often in the "passive" form of withholding or withdrawing (10) The long simmering euthanasia issue has lately (11) into a sometimes fierce public debate, (12) both sides claiming the mantle of ultimate righteousness. Those (13) to the practice see themselves (14) sacred principles of respect for life, (15) those in favor raise the banner of humane treatment. After years (16) the defensive, the advocates now seem to be (17) ground. Recent polls in Britain show that 72 percent of British (18) favor euthanasia in some circumstances. An astonishing 76 percent of (19) to a poll taken late last year in France said they would like the law changed to (20) mercy killings. Obviously, pressure groups favoring euthanasia and "assisted suicide" have grown steadily in Europe over the years.

17()

A.supporting

B.reinforcing

C.maintaining

D.gaining

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