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【单选题】
下列关于补体的叙述,不正确的是A.
补体含量与抗原刺激无关
B.
补体分子可由多种细胞产生
C.
补体对热稳定
D.
是一组具有酶活性的球蛋白
E.
三条激活途径有相同的末端效应
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举一反三
【单选题】—Do you often hear John _____ in his room? —Yes, listen! Now we can hear him ____ in his room. [ ]
A.
sing; to sing
B.
singing; sing
C.
sing; singing
D.
to sing; singing
【单选题】Which of the following statements is CORRECT in this passage?
A.
French should substitute English.
B.
European Union denies Google's scanning project.
C.
Only part of the initially scanned works can be available on the Internet.
D.
Not all top universities think highly of the deal with Google.
【简答题】• 练习 . 把下列句子变成被动语态。 1.My brother opens the windows every morning. 2.She didn’t clean the room this morning. 3. He bought his children some pencils. 4Mary is a doll. 5. He hasn’t received the le...
【单选题】He likes singing . We often hear him _______ after class.
A.
sing
B.
to sing
C.
sings
D.
sang
【单选题】- Do you often hear John _______ in his room? -Listen! Now we can hear him ________ in his room. [ ]
A.
sing, to sing
B.
singing, singing
C.
sing, singing
D.
to sing, singing
【单选题】Do you often hear John ( )in his room? Listen!Now we can hear him( )in his room.
A.
sing,to sing
B.
sing,sing
C.
sing,singing
D.
to sing,singing
【单选题】What can we do to deal with the fact that consumers prefer to pay in their local currency?
A.
Banks in other jurisdictions have to be compliant with local legal requirements.
B.
Global payment provides regional partners with local payment service.
C.
More expertise in the technical, innovative and legal aspects of online sales can help merchants to manage transactions over one secure payment gateway.
D.
The retailer has to invest in translations in order to know the local terminology and culture.
【单选题】--Do you often hear John ___ in his room? --Yes. Listen! Now we can hear him ___ in his room.
A.
sing; to sing
B.
singing; singing
C.
sing; singing
D.
to sing; singing
【判断题】在Word环境下，用户可以选择设置下列三种页眉和页脚：1）每页上的页眉和页脚相同；2）奇数页上一个页眉和页脚，偶数页上另一个页眉和页脚；3）每页上的页眉和页脚都不相同。
A.
正确
B.
错误
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