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问题 问答题 简答题

成语“黄发台背”出自于《诗经·鲁颂·閟宫》。请问是《诗经·鲁颂·閟宫》中的哪一句？

答案

参考答案：“黄发台背”出自于《诗经·鲁颂·閟宫》。中的“黄发台背，寿胥与试。”

选择题

在Cu2S + 2Cu2O ＝6Cu + SO2↑反应中，下列说法正确的是 （    ）

A．生成1molCu，转移2mol电子

B．Cu是氧化产物

C．Cu2S既是氧化剂又是还原剂

D．氧化剂只有Cu2O
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补全对话，情景问答

联系上下文，填入适当的冠词，补全对话，不需要填的地方写“/”。

1. A: Who's ____________ boy?

    B: Which boy?

    A: ____________ boy with ____________ cat.

    B: Oh, he is my friend, Li Dong. He is ____________ American boy. He is in ____________ middle school.

    A: Can I play with ____________ him now?

    B: OK, let's play together.

2. A: What's your mother?

    B: She is ____________ English teacher. She is ____________ actress, too.

    A: Really? What's ____________ she like?

    B: She is very beautiful. She has ____________ two big eyes.
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