新中国成立之初，大大提高了中国的国际威望的历史事件是[ ] A．抗美援朝 B．与

正五边形的每一个外角为（    ）度。

补全对话。

A: What ____________ is it today, Jim?

B: It's the 16th of March.

A: The 16th of March? Oh, my birthday's ____________ soon.

B: ____________ is your birthday?

A: It's ____________ March 18th. Would you like to come to my birthday party?

B: Sure. Where ____________ you have your birthday party?

A: In my home, I think.

肾病综合征患儿最常见的并发症是

A．急性肾衰

B．血管栓塞

C．电解质紊乱

D．低血容量休克

E．感染

纤维组织可以用热处理方法消除。

American structuralism started at the beginning of the 20th century and was very popular and influential in the 1930s and 1940s throughout the world. The two forerunners were______.

A．Bloomfield and Chomsky

B．Malinowski and Firth

C．Franz Boas and Edward Sapir

D．Halliday and Edward Sapir