艾滋病是由人类免疫缺陷病毒(HIV)引起的,以下对该病毒描述正确的是 A.有细胞

题型:选择题

问题:

艾滋病是由人类免疫缺陷病毒(HIV)引起的,以下对该病毒描述正确的是

A.有细胞结构

B.由蛋白质外壳和内部的遗传物质组成

C.能在培养基上独立生活

D.要用光学显微镜观察

考点:病毒的形态结构和生活病毒的种类病毒与人类的关系
题型:选择题

In 1943, during the Second World War the body of an English man, William Martin, was discovered off the Spanish coast. The papers he had been carrying were returned to England, where they were carefully examined. They had clearly been changed and that was exactly what the British had hoped would happen, for Martin was a trick designed to fool the Germans.

  Martin did not exist. The body was that of a sailor who looked as though he had died when his boat sank, but in fact he had been ill and died. Leaving the boat to go down, his parents allowed the dead body to be put into the sea near Spain. It was hoped that the Germans would find it and read the fake(假的)papers he carried.

  The papers said that the British would attack the island of Sardinia, when in fact they planned to attack the island of Sicily. The trick was successful. When the British landed on Sicily, most of the heavy German guns had been moved to defend(保卫) Sardinia.

小题1:______ put the papers on the dead man.

A.The British

B.German spies

C.Spanish soldiers

D.William Martin小题2:When the Germans found William Martin they probably thought he _________.

A.was a British spy with important information about the war

B.was killed by the British soldiers

C.died of an illness

D.had the fake papers of the British Army小题3:When the British found out the papers were changed they concluded _________.

A.Martin did exist

B.Martin was a German spy

C.the Germans had read the papers

D.they should attack Sardinia小题4:Which of the order is right according to this passage? __________.

a. The Germans found the dead at sea.

b. The British decided to use the dead body to fool the Germans.

c. The British planned to attack Sicily.

d. The papers on Martin were brought to London to be examined.

e. The Germans found the fake papers on the dead body.

f. The Germans decided to defend Sardinia.

g. The Germans believed the papers.

A.c.b.a.e.g.f.d.

B.c.a.b.d.g.f.e.

C.a.c.b.g.f.e.d.

D.b.c.a.g.e.f.d.

题型:选择题

肝门区肿瘤压迫()

A.门静脉高压症的主要阻塞部位在窦前

B.门静脉高压症的主要阻塞部位在窦后

C.门静脉高压症的主要阻塞部位在窦内

D.门静脉高压症的主要阻塞部位在肝前

E.门静脉高压症的主要阻塞部位在肝后

题型:选择题

本法简便,药中大部分成分可被不同程度地提出,但含挥发性成分及有效成分遇热易破坏的中药不宜用

A.浸渍法
B.煎煮法
C.回流提取法
D.渗漉法
E.连续提取法

题型:选择题

讨论()问题,是为了认识生活应有的意义,明确人生应追求的目标和方向。

A.人生目的

B.人生态度

C.人生意义

D.人生价值

题型:选择题

治疗脾气虚,脾不统血之崩漏、便血等的代表方是();治疗脾阳虚,脾不统血之崩漏、便血等的代表方是()

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