—Daniel, could you tell me the 2020 Olympics will be held?
—Certainly, in Tokyo.


甲

乙
B .
C .
D .
结合上述材料,谈谈我们青少年为什么要培养亲社会行为?
⑴Where is the book? A. It's a new kite.
⑵Hello, I'm Amy. B. I'm ten.
⑶How old are you? C. It's in the desk.
⑷What's this? D. No, it isn't.
⑸Is this your dog? E. Hello. My name is Sam.
|
应用 |
“蛟龙号”深潜器 |
“神舟”五号宇航员航天服 |
新型水处理剂 |
|
用到的材料 |
特种钢 |
高强度涤纶 |
纳米铁粉 |
a生石灰 b活性炭 c小苏打
