在补体活化的经典途径的激活过程中,不被裂解的组分是()
A.C2
B.C3
C.C4
D.C5
E.C6
参考答案:E
善于治疗外感风寒,头痛鼻塞,鼻渊的药对是()
A.荆芥、防风
B.麻黄、桂枝
C.羌活、独活
D.辛夷、苍耳子
E.紫苏、生姜
There is an elephant and a monkey. They’re friends, but one day they want to know who is stronger(更壮). One of them says, “Who can get apples over there, who is stronger.”
There is a river over there. Monkey says, “I can’t swim.” Elephant says “I can swim. Please sit my back.” They go across the river. The apple trees are very high. The elephant can’t reach(够着) the apples. The monkey climbs(爬)up the tree and gets many apples.
Now they know they should help each other.
小题1:The elephant and the monkey want to know________
A.who is smarter
B.who is higher
C.who can swim
D.who is stronger小题2:_______ can’t swim.
A.The elephant
B.The monkey
C.The big animals
D.The small animals小题3:_______can’t reach the apples
C.The high animals
D.The short animals小题4:At last the monkey goes across the river with the help of_______.
A.the elephant
B.the monkey
C.an animal
D.a boat小题5:From the story we should(应该)________.
A.lean from the elephant
B.learn from the monkey
C.A and B
D.help each other