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【多选题】
异烟肼具有下列哪些理化性质（）A.
与氨制硝酸银产生反应
B.
与铜离子反应生成有色的络合物
C.
与溴水反应生成溴化物沉淀
D.
与香草醛作用产生黄色沉淀
E.
为白色结晶，不溶于水
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知识点：
皮皮学刷刷变学霸
举一反三
【简答题】dynamics
【单选题】— Do you know _____ for Nanjing yesterday? — At 10:00 o'clock. [ ]
A.
what time she leave
B.
what time did she leave
C.
what time she left
【简答题】Physical characteristics of moving objects help explain the dynamics of energy systems． 查看材料
【单选题】The word 'dynamics' in the passage is closest in meaning to
A.
explosions.
B.
forces.
C.
commands.
D.
evolutions.
【单选题】3 What do you know about Tim?
A.
He is Carina’s boyfriend.
B.
He is Carina’s financial consultant.
C.
He is working in the loan section of a bank.
D.
He is studying economics at a university.
【单选题】The underlined word 'dynamics' is closest in meaning to ______.
A.
motivations
B.
powers
C.
courses
D.
causes
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