下列关于甲型肝炎的叙述,正确的是() A.急性甲型肝炎的患者是传染源 B.血液中HA

题型:多项选择题

问题:

下列关于甲型肝炎的叙述,正确的是()

A.急性甲型肝炎的患者是传染源

B.血液中HAV主要出现于黄疸发生之前

C.慢性甲型肝炎的患者是传染源

D.无黄疸型甲型肝炎可以是传染源

E.黄疸出现之后患者血液通常无传染性

考点:耳鼻咽喉科住院医师传染病防治传染病防治题库
题型:多项选择题

6, 18, ( ), 78, 126

A.40
B.41
C.42
D.44

题型:多项选择题

已知集合A={x|3≤x<7},B={x|2<x<10},求CR(A∪B),(CRA)∩B,CR(A∩B)。

题型:多项选择题
若角α的终边与直线y=3x重合且sin α<0,又P(m,n)是角α终边上一点,且|OP|=
10
,则m-n=______.
题型:多项选择题

改写句子 按括号中的要求完成改写后的句子,每个空格填一个单词。(5分)

小题1:I like salad for breakfast.(改为否定句)

I ___________ ___________ salad for breakfast.

小题2:The post office is across from the supermarket. (就划线部分提问)

_____________ _____________the post office?

小题3:The tourist asked me, “ How do you feel about Jinan Olympic Sports Center?” (改写句子,句意不变)

The tourist asked me how ___________ ___________ about Jinan Olympic Sports Center.

小题4:The girl has become a popular singer and many of her fans want to be like her. (改写句子,句意不变)

The girl has become a popular singer and she is ___________ ___________ to many of her fans.

小题5:People gave some food to the village girl when they saw her on the street last month. (改写句子,句意不变)

Some food ___________ given to the village girl when she was___________ on the street last month.

题型:多项选择题

若一个原子的最高主量子数为3,则它处于基态时,下列哪条叙述是正确的?()

A.只有s电子和p电子

B.只有p电子和d电子

C.有s、p和d电子

D.有s、p、d和f电子

更多题库