对下列农业知识的掌握有误的一项是()。A．农作物肥料的三要素是氮、磷、钾 B．种植棉

写出同义句。

1. What's the weather like today?

      ______ ______  the weather today?

2.  Mary is taller than any other student in her class.

    Mary is ______ ______ ______  in her class.

3. Let's go for a swim next week.

     Let's ______ ______ next week.

4. Mr White went to Beijing by plane.

     Mr White ______ ______ Beijing.

5. What other things did you buy on your last school trip?

     _____ _____ did you buy on your last school trip?

信息理论表明，作为载体的无线电波，频率______，相同时间内传输的信息就______．

宣称“人们生来就是自由平等的，私有财产神圣不可侵犯”的法律文献是____________。被马克思称为成为人类历史上“第一个 * * 宣言”的是_____________。

代谢性酸中毒可发生于（）

A．急性肠梗阻

B．感染性休克

C．肺炎高热

D．慢性十二指肠瘘

易燃的废品集中场地距离在建的建筑物和其他区域应当不小于（）。

A.15m

B.20m

C.25m

D.30m