重酒石酸去甲肾上腺素遇三氯化铁试液显
A.紫红色
B.黄色
C.橙黄色
D.深绿色
E.翠绿色
参考答案:E
判断。(对的打“√”,错的打“×”)
(1)780是由7个百和8个一组成的。[ ]
(2)与699相邻的两个数是700和701。[ ]
(3)由8个百和5个一组成的数是805。[ ]
(4)六百四十三写作643。[ ]
Do you like watching football matches? ()
A.Thank you for inviting me.
B.I don‘t like watching it on TV, either.
C.I hear the football match will be put off.
D.Football? No.It‘s a waste of time