谁是第一位参加欧洲冠军联赛的中国球员（） A.孙祥 B.蒿俊闵 C.郑智 D.董方卓

单词拼写

小题1:They saw a penniless young man         （徘徊）on the pavement outside their house.

小题2:I’d just about given myself up when I was       (发现)by a ship.

小题3:The earth became so_____ (激烈动荡)that it was not clear whether the shape would last or not.

小题4:Why they suddenly appeared still remains a ______(谜).

小题5:They are putting too much carbon dioxide into the _____(大气层).

小题6:What ____(使迷惑) me is why he looks so old.

小题7:We should try our best to apply ____(理论) to practice.

小题8:The rise of the sea water is due to the ____(全球) warming.

小题9:The birds were flying in all______(方向) at the gun.

小题10:He ____(测量)the length of the room and went out.

现有无标签的稀蛋清、葡萄糖、淀粉和淀粉酶溶液各一瓶，可用双缩脲试剂、斐林试剂和淀粉溶液将它们鉴定出来。请回答：

(1)用一种试剂将上述4种溶液区分为两组，这种试剂是_____，其中发生显色反应的一组是____和____溶液，不发生显色反应的一组是_____和_____溶液。

(2)用________试剂区分不发生显色反应的一组溶液。

(3)区分发生显色反应的一组溶液的方法及鉴定结果是______________________________。

青霉素最常见并在各药中居首位的不良反应是（）

A.变态反应

B.腹泻、恶心、呕吐

C.听力减退

D.肝、肾损害

杆边

简述三级分类命名原则并对具体岩石命名。