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问题 单项选择题

具有亲细胞作用的抗体是（）

A.IgM

B.IgD

C.IgE

D.IgG

E.IgA

答案

参考答案：C

解析：IgE产生后，能与肥大细胞核嗜碱性粒细胞表面的FCsR结合，使这些细胞致敏，具有亲细胞性。而IgD、IgG、IgA和IgM等抗体均没有累世的亲细胞作用。

选择题

Mary won in the_______ race last week.

A．woman’s 400—meter

B．woman’s 400—meters

C．women’s 400—meter

D．women’s 400—meters
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单项选择题

Kruger Associates uses an accrual basis for financial reporting purposes and cash basis for tax purposes. Cash collections from customers are $ 476000, and accrued revenue is only $ 376000. Assume expenses at 50 percent in both cases (i.e.$ 238000 on cash basis and $188000 on accrual basis), and a tax rate of 34 percent. What is the deferred tax asset or liability A deferred tax:（）

A. asset of $17000.

B. asset of $ 48960.

C. liability of $ 48960.
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