在志贺菌中,其中一个血清群的菌落有光滑型和粗糙型两种,诊断血清中同时含有Ⅰ相和Ⅱ相抗原的血清群是()
A.A群
B.B群
C.C群
D.D群
E.A+B
参考答案:D
肺泡通气量是指( )。
A.每次吸入或呼出的气量
B.每分钟进或出肺的气体总量
C.每分钟进入肺泡的新鲜气体量
D.用力吸入的气量
E.用力呼出的气量
用所给词的适当形式填空(10分)
1. We’re looking forward to _________( visit ) Beijing .
2. He enjoys _________ ( stay ) at home.
3. They ________ ( meet ) at the school gate at 8:00 tomorrow.
4. Emily would like ________ ( go ) to the cinema.
5. Thank you for ________ ( teach ) us .
6. Red _________ ( mean ) good luck in China .
7. There are usually ________ ( firework ) at midnight . on New Year’s Eve.
8. Listen ! The girl _________ ( sing ) .
9. “What are you doing ?” “I ______ ( write ) a letter .”
10. Jane is getting ________ ( dress ) now .