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【多选题】
常见的槽轮机构组成,主要包含以下哪些构件:A.
主动拨盘
B.
从动槽轮
C.
机架
D.
棘轮
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皮皮学刷刷变学霸
举一反三
【单选题】The most successful treatment described in the passage was a serum prepared from ______.
A.
the blood of patients who have been stung
B.
poison extracted from bees
C.
crushed bodies of bees
D.
a placebo and a crushed-body extract
【简答题】血浆与血清(plasma and serum)
【简答题】serum
【单选题】Patient was allergic to pollen,eerological detection show that IgE is positive in the serum.Which component is not involved in this immune response?
A.
B cells
B.
CD4+ Th cells
C.
CTLs
D.
IL-4
E.
DC
【简答题】血清（serum）
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