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She usually has two eggs and a bottle of milk in the morning. (改为一般疑问句)
1年前
在一百多年前,用图示的实验第一个发现电与磁联系的科学家是( )
1年前
实验室用含杂质的锌(也称粗锌)与盐酸反应制取氢气,取8.0g含杂质的锌粒于烧杯中(所含杂质不溶于水,也不与酸反应),向其中加入73.0g稀盐酸,恰好完全反应后烧杯内剩余物质的质量为80.8g。计算:
1年前
There are many good stories about the Long March,_A__this is the most instructive.
1年前
We should play an ________ (积极的) role in politics, both at the national and local level.
1年前