铈量法所用指示液是
A．邻苯氮菲指示液B．淀粉指示液C．偶氮紫指示液D．溴麝香草酚蓝指示液E．结晶紫指示液
参考答案：A
补全对话，每空一词。
A: Where have you been ?
B: I've _1_ to the shops. Look, I bought this hat.
A: It's pretty. Did you _2_ with Jenny?
B: No.
A: _3 is she then?
B: She has _4_ to the park. She'll be back _5_ about five o'clock.
A: To the park again? She's gone to the park every day this week!
B: That's because she plays tennis there.
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