能协助清除免疫复合物的补体裂解片段是()A.C3a B.C3b C.C5a D.iC

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问题:

能协助清除免疫复合物的补体裂解片段是()

A.C3a

B.C3b

C.C5a

D.iC3b

E.C3d

考点:临床医学检验七、名疫球蛋白、补体、循环免疫复合物七、名疫球蛋白、补体、循环免疫复合物题库
题型:单项选择题

题型:单项选择题

阅读理解。

     No one knows yet the accurate number of lives which have been lost in this terrible fire. But reports

suggest that it is more than one hundred.

     A wall of flames fifty feet high and at least one hundred and fifty miles wide is now racing towards

the forests and rich farmlands of southern Victoria. Towns less than one hundred miles from Melbourne

will be in danger unless the wind changes. People are rushing excitedly into the streets. The police have

warned them not to see the fire but many people are doing so.

     The cause of the fire is unknown. No rain has fallen in this part of Australia for three months, and the

hot, north-west wind from the great central desert is blowing at more than thirty miles an hour.

     The firefighters are travelling to the fire by road, rail and air. But it is not easy to get there. Flames and

fallen trees have cut off or blocked roads and railway lines. The thick smoke often prevents them from

finding the air strips (飞机跑道).

     It is said that the fire has brought the greater danger to the country since the Second World War.

1. By the time the article was written, the fire ____.

A. had just broken out

B. had been put out

C. was spreading violently (猛烈地)

D. was coming to an end

2. The writer wrote this article mainly to tell people ____.

A. the fire was terrible and dangerous

B. it was impossible to put out the fire

C. more than one hundred people died of the fire

D. to join in the fight against the fire

3. In the 4th paragraph, the writer suggested that ____.

A. the fire would soon be controlled by the firefighters

B. it would be very difficult to put out the fire

C. the government was paying great attention to the fire

D. the fire had caused great losses and the airport was in danger

4. The underlined word "accurate" in the first sentence has the same meaning as ____.

A. recent

B. whole

C. rough

D. exact

题型:单项选择题

发动机起动手柄的工作位置包括()

A.AUTO、CUTOFF

B.RUN、RICH、CUTOFF

C.IDLE、CUTOFF

D.RUN、IDLE、CUTOFF

题型:单项选择题

2010年一次能源生产目标为24.46亿吨标准煤,年均增长( )。

A.3.5%

B.5.5%

C.7.5%

D.8.5%

题型:单项选择题

横向流聚结除油器虽然具有除油效率高、可实现自动回收油等优点,但体积大、占地面积大、仍无法取代一、二次沉降罐。

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