问题
单项选择题
免疫自稳功能是指机体识别排除( )的功能
A．抗原性异物
B．病原体
C．胞内寄生物
D．突变细胞
E．衰老死亡细胞
答案
参考答案：E
搜题请搜索小程序“爱下问搜题”
免疫自稳功能是指机体识别排除( )的功能
A．抗原性异物
B．病原体
C．胞内寄生物
D．突变细胞
E．衰老死亡细胞
参考答案：E
| 完形填空 | |||
| Bill likes football very much, and he often goes to matches in our 1 on Sundays. He doesn't go to the best seats, 2 they are very 3 . There was a big football match in our town last Sunday. 4 it was very cloudy, but then the sun 5 , and it was very hot. There were a lot of people on benches 6 Bill at the match. Bill was on one bench and there 7 a fat man on a bench behind him. At first the fat man was cold, 8 then he was very hot. He took his coat off and put it in front of him, but it fell on Bill's head. Bill was not angry. He took the coat 9 his head, looked at it and then. laughed and said, "Thank you. but 10 are the trousers?" | |||
| ( )l. A. village ( )2. A. so ( )3. A. dear ( )4. A. At that time ( )5. A. went down ( )6. A. in front of ( )7. A. was ( )8. A. or ( )9. A. away ( )10.A. how | B. town B. if B. cheap B. Then B. was away B. behind B. had B. but B. from B. when | C. country C. because C. nice C. The first C. came out C. around C. was going to be C. and C. on C. whose | D. home D. but D. high D. At first D. came down D. near D. would be D. so D. off D. where |