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【单选题】
NK细胞表面能与乳腺癌细胞表面MICA/B分子结合的受体是A.
KIR2D
B.
NKG2D
C.
NKp30
D.
CD94/NKG2A
E.
KIR3DL
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反馈参考答案：
举一反三
【单选题】Que sti ons 12 to 15 are based on the conversation you have just heard.
A.
The two speakers are from different countries.
B.
The man gets along very well with his parents.
C.
British parents never interfere with their children.
D.
The man doesn't like his parents at all.
【单选题】Conversation Two Que sti ons 12 to 15 are based on the conversation you have just heard.
A.
Because her parents love her very much.
B.
Because her parents never force her to do anything she doesn't want to do.
C.
Because she is allowed to have her career.
D.
Because sh e has too much freedom.
【单选题】SECTION B CONVERSATIONS In this section you will hear two conversations . At the end of each conversation, five questions will be asked about what was said. Both the conversations and the questions wi...
A.
Many foreign languages are spoken in Britain.
B.
Everyone in Britain can speak a foreign language.
C.
The Britain are unable to speak a foreign language.
D.
The British can survive on their mother tongue.
【简答题】简答现在烧结生产的工艺流程。
【判断题】烧结生产工艺流程通常由下列几部分组成：含铁原料、燃料和熔剂的接受和储存；燃料和熔剂的破碎筛分；烧结料的配料、混合制粒；布料、点火和烧结；烧结矿的破碎、筛分、冷却、整粒和烧结除尘等
A.
正确
B.
错误
【简答题】烧结生产工艺流程大体可分为哪几大工序系统？
【简答题】简述烧结生产工艺流程。
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