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【单选题】
化学组成为PtCl4·2NH3，它的溶液不导电，与AgNO3不产生沉淀,该配合物的化学式为________。A.
[Pt (NH 3 ) 6 ] Cl 4
B.
[PtCl 2 (NH 3 ) 4 ] Cl 2
C.
[PtCl 4 (NH 3 ) 2 ]
D.
[PtCl 3 (NH 3 ) 2 ] Cl
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【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 .
【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】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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