A:体液—免疫调节
B:神经—免疫调节
C:神经—体液调节
D:神经—体液—免疫调节
把肯定句改成双重否定句
①我一定把这道题做出来。
②他答应了我们的请求。
如图是人血涂片示意图,对该图的叙述中错误的是( )
______ made us much disappointed.
- I am thinking of going back to school to get another degree.
- Sounds great! _____