下面对人体血管特点的叙述正确的是( )
A:静脉的血液流动速度最快
B:动脉内有防止血液倒流的静脉瓣
C:毛细血管的管壁最厚
D:动脉、静脉和毛细血管共同构成血液流通的管道
三年的初中生活即将结束,在规划初中毕业以后的人生道路时,我们正确的认识是( )
⑴Are you cold? ____
⑵Would you like some fruit? ____
⑶Do you like dumplings? ____
⑷What's your favourite food? ____
⑸What's on the table? ____
A. Dumplings.
B. Yes, I am.
C. My favourite food is meat.
D. Yes, please.
E. Yes, I do.
下列有关日本的叙述,不正确的是( )