以下不是半抗原的是A．青霉素 B．多肽 C．内毒素 D．甾体类激素 E．核苷

What took place on Sunday

A．Sharon declared that he would resign.

B．An Israeli woman and her daughters were killed by Palestinian gunmen

C．Some Likud members refused to cast ballots because of the killing

D．Sharon said that he would hold the referendum again despite his failure.

根据拼音写汉字或给加横线字注音。　　

狼jí（　　 ）　　交xiè（　　 ）　  tuí（　  　）唐         轻miè（　　 ）

奔丧（         ）　 陨（　　 ）落　　 讪（　　 ）笑　　歧（　　 ）视

Some kinds of birds in winter fly to the south to ______ the cold in the north．

A．get away from

B．come up with

C．break away from

D．put up with

苏联、东欧国家社会主义制度的瓦解，是西方敌对势力通过打一场“没有硝烟的战争”实行（）

A.和平发展

B.和平演变

C.和平支援

D.和平解体

红细胞代谢能量主要用处，下列何项是不正确的（）

A.Hb二价铁的维持

B.Na↑<+>-K↑<+>泵的维持

C.维持核苷酸的代谢

D.决定红细胞肽链合成比例