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【单选题】
关于内毒素,下列正确的是A.
多由 G+ 菌产生
B.
系脂多糖
C.
由细菌释放到组织中
D.
抗原性强
E.
不耐热
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举一反三
【单选题】—She hasn’t watched the movie “So Young”, has she? —__________. She told me it’s very moving and interesting, she’d like to watch it again
A.
Yes, she has
B.
Yes, she hasn’t
C.
No, she hasn’t
D.
No, she has
【单选题】— She's really pretty, isn't she? Her skin looks so baby smooth! — Well, it's just that she puts lots of make-up on her face. _______ . [ ]
A.
Sometimes I wish I could be as beautiful
B.
Actually, natural beauty comes from inside
C.
I can believe she is still so pretty after giving birth to a baby!
D.
Fortunately, she has a good income.
【简答题】根据红细胞内所含的（）不同，将人的血型分为四种类型，即（）型血、（）型血、（）型血、（）型血。
【简答题】根据红细胞内所含____的不同,将人的血型分为四种类型,即____型血、____型血、____型血和____型血。
【单选题】— I often walk home after school. — ______. [ ]
A.
So she is
B.
So is she
C.
So she does
D.
So does she
【单选题】According to the passage, the blue jeans' popularity was caused by ______.
A.
nineteenth-century laborers
B.
American film and media
C.
the unfolding of popular culture
D.
the imaginations of city folk
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