已知A5n=56C7n，且（1-2x）n=a0+a1x+a2x2+a3x3+…+

用括号内所给词的正确形式填空。

1. Tom is _____ (determine) to finish his homework on time.

2. After careful _____ (consider) he agreed to go there with us.

3. My _____ (consider) opinion is to response to the provocations in a positive way.

4. Deaf people often use sign language as a means of _____ (communicate).

5. Flying across the Atlantic for the first time is a great _____ (achieve).

6. There are many political and social _____ (organize) in this country.

7. He has been taken into hospital for _____ (observe).

8. His _____ (behave) toward me shows that he respects me.

颗粒黄体细胞和膜黄体细胞分泌（）

A.孕酮和雌激素

B.黄体生成素和雌激素

C.卵泡雌激素和雌激素

D.孕酮和黄体生成素

E.孕酮和卵泡雌激素

根据病理改变和临床表现特点，重症肝炎又分为哪三型？

对外加工装配业务与来料加工均为一进一出的两笔交易。 ( )

试述高血压心脏病的X线表现