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【单选题】
介导I型超敏反应的抗体主要是A.
IgA
B.
IgD
C.
IgE
D.
IgG
E.
IgM
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反馈参考答案：
举一反三
【单选题】Bonds that mature at different dates with the result that the entire principal amount is repaid gradually over a number of periods are known as:
A.
Registered bonds.
B.
Bearer bonds.
C.
Callable bonds.
D.
Sinking fund bonds.
E.
Serial bonds.
【单选题】According to the results of Study 2, of the sexually mature offspring that were collected in May 2007, the greatest number had which of the 3 genotypes?
A.
EE
B.
Ee
C.
ee
D.
Cannot be determined from the given information
【单选题】关于精囊腺,下列哪项是错误的?
A.
粘膜向腔面突起，形成高大的皱襞
B.
粘膜表面是假复层柱状上皮
C.
上皮细胞胞质内有大量分泌颗粒
D.
粘膜外有平滑肌
E.
分泌活动不受雄激素的调节
【简答题】目前，我国的森林覆盖率是( )
【单选题】______make good progress.
A.
Only by working hard they can
B.
By only working hard they can
C.
Only by working hard can they
D.
Only they can by working hard
【简答题】On the day the Daily Express announces:"The secret to why humans grow old has been discovered by scientists in Britain, paving the way towards radical new treatments for age-related diseases." We knwo...
【简答题】目前，我国的森林覆盖率是（）
相关题目：
【单选题】关于精囊腺,下列哪项是错误的?
A.
粘膜向腔面突起，形成高大的皱襞
B.
粘膜表面是假复层柱状上皮
C.
上皮细胞胞质内有大量分泌颗粒
D.
粘膜外有平滑肌
E.
分泌活动不受雄激素的调节
参考解析：
知识点：
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