问题
单项选择题
下列英文缩写代表辅助性T淋巴细胞的是
A．Ts
B．Th
C．Tc
D．Td
E．Tcs
答案
参考答案：B
搜题请搜索小程序“爱下问搜题”
下列英文缩写代表辅助性T淋巴细胞的是
A．Ts
B．Th
C．Tc
D．Td
E．Tcs
参考答案：B
| 完形填空。 | ||||
| This is a story about a man and his son who went out to 1 a walk. The man had on a pair of odd (不配对的) shoes. 2 he came out in the street, he felt uncomfortable (不舒服). Turning to his son, he said, "Why is one of my legs 3 than 4 today?" The son 5 his father's legs and said, "You put on odd shoes." When he 6 this, the man was 7 and said, "What a clever son!" Then he 8 his son to go back to the house and get 9 pair of shoes for him. When the son went back, he said to his father, "I really 10 two shoes, but one has a thick sole (鞋底) and the other has a thin one." | ||||
|