网址：http://m.1010jiajiao.com/timu3_id_2708482[举报]
（1）物质B的化学本质是 ______________。
（2）物质A为____________，是由效应T细胞分泌，又能诱导生成更多的效应_________ 细胞，这是一种____________调节机制。
（3）效应T细胞与靶细胞密切接触，激活靶细胞内的_____________，并使其通透性、渗透压发生改变，最终___________，释放出病毒与抗体结合，使病毒失去_________________________宿主细胞的能力。
（4）T细胞由__________分化而来,成熟于______________，并随血液和淋巴在体内流动。T细胞在人体免疫应答中除具有图示增殖分化的功能外，还能 ______________。 查看习题详情和答案>>
Dear Jane,
I have to(必须) go to work(工作) now. I prepare(准备) these things for you. Your schoolbag is on the desk. Your pen ,books,keys and your school card are in your schoolbag. Your clothes(衣服)and hat are on the dresser(梳妆台). The shoes(鞋子) are under the bed. Don’t forget your breakfast(早餐). It’s in the microwave oven(微波炉).
Love you.
Mom
【小题1】 leaves留下 the note便条.
| A．Jane | B．Jane’s father | C．Jane’s brother | D．Jane’s mother |
a. the pen b. the shoes c. the keys d. the school card e. the hat
| A．a b c | B．b c d | C．a c d | D．c d e |
| A．on the bed. | B．on the dresser | C．under the bed | D．in the schoolbag |
| A．On the desk | B．In the desk | C．Under the bed | D．On the dresser |
| A．忘记 | B．拿走 | C．带来 | D．记住 |
Dear Jane,
I have to(必须) go to work(工作) now. I prepare(准备) these things for you. Your schoolbag is on the desk. Your pen ,books,keys and your school card are in your schoolbag. Your clothes(衣服)and hat are on the dresser(梳妆台). The shoes(鞋子) are under the bed. Don’t forget your breakfast(早餐). It’s in the microwave oven(微波炉).
Love you.
Mom
1. leaves留下 the note便条.
A. Jane B. Jane’s father C. Jane’s brother D. Jane’s mother
2.What’s in the schoolbag?
a. the pen b. the shoes c. the keys d. the school card e. the hat
A. a b c B. b c d C. a c d D. c d e
3.Where are the shoes？They’re .
A. on the bed. B. on the dresser C. under the bed D. in the schoolbag
4.Where are the schoolbag?
A. On the desk B. In the desk C. Under the bed D. On the dresser
5.The underlined划线的“forget”means意思是 .
A. 忘记 B. 拿走 C. 带来 D. 记住
查看习题详情和答案>>