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【单选题】
关于FcγR的叙述,下列哪项是正确的()
A.
可分为三类,结构和分布有所不同
B.
三类FcγR结构虽不同,分布相同
C.
FcγRⅢ的亲和力最强,FcγRⅠ的亲和力最弱
D.
表达在各种类型免疫细胞表面
E.
可增强所有免疫细胞的吞噬能力
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参考答案:
举一反三
【简答题】We acknowledgment receipt of your letter dated 26th September_____ connection ______ the above subject. A. for, wit B、for, to C、in, with D、in, to
【判断题】We shall glad to receive your offer for walnut meat, shipment, during September/October for transshipment at Hongkong.()
A.
正确
B.
错误
【简答题】开出现金支票2 000元购买厂部办公用品。
【单选题】I don't feel secure when I am alone in the house.
A.
safe
B.
pretty
C.
distant
D.
obvious
【简答题】We note from your letter of September 10th that you are interested ______ walnut meat.
【单选题】September 11, 2001 is the day ______ we will never forget.
A.
that
B.
when
C.
on which
D.
on that
【单选题】非弹性阻力主要成分是( )
A.
气道阻力
B.
肺泡表面张力
C.
惯性阻力
D.
黏滞阻力
【单选题】We learn from the third paragraph that employees in the American PR industry ______.
A.
enjoy reading a great variety of English business publications
B.
speak at least one foreign language fluently
C.
are ignorant about world geography
D.
are not as sophisticated as their European counterparts
【单选题】If people can follow the secure payment procedures, they needn't worry too much about the security of their online payment.
A.
Y
B.
N
C.
NG
【简答题】Apple Pay如何保证Secure Enclave和Secure Element之间的通信安全?
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