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【单选题】
肺炎链球菌其致病力主要在于( )A.
内毒素
B.
外毒素
C.
多糖膜
D.
透明质酸
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反馈参考答案：
举一反三
【简答题】指出下列指标中,哪些是数量指标?哪些是质量指标?
【单选题】The story _______my happy experience during my stay with my aunt.
A.
take after
B.
make up for
C.
assemble
D.
put across
E.
call off
F.
look forward to
G.
irritating
H.
attract
I.
get over
J.
call up
【简答题】It’s Sunday morning. My grandparents, my parents, my cousin and I are at my home. We are all 26 . What are my grandparents doing? Oh, my grandfather is exercising. He is playing 27 two balls. My grand...
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