读一读，说一说，依照例子写句子。例: How many birds can yo

搜题请搜索小程序“爱下问搜题”

问题仿写题，造句

读一读，说一说，依照例子写句子。

例:	How many birds can you see? I can see eight.
1.	_____________________ can you see? I can see ___________.
2.	________________________________? ___________________.
3.	________________________________? ___________________.

答案

1. How many kites, seven

2. How many boys can you see, I can see three

3. How many rabbits can you see, I can see two

多项选择题

IL-2依赖细胞株常用的有()

A．CTB6

B．F12

C．L929细胞株

D．CTLL-2

E．Wish细胞株

选择题

氢阴离子（H^-）能和NH₃反应：H^－+ NH₃ = NH₂^－+ H₂↑根据上述反应事实可以得出的正确结论是（）

A．NH₃有还原性

B．H^－是很强的还原剂

C．该反应的还原产物是H₂

D．该反应属于置换反应