A:纤维素
B:淀粉
C:糖原
D:脱氧核糖
写出下列缩写词的完全形式
① I'm ____ ②you're ____ ③he's ____
④ she's ____ ⑤ it's ____ ⑥ what's ____
⑦name's____ ⑧ telephone number's____
The doctor ________the boy as soon as he was sent to the hospital.
①我国实行更加积极主动的开放战略
②实行对外开放是我国发展的根本基点
③我国对外开放必须坚持互利共赢原则
④我国要利用外资和先进技术加快发展