在离体条件下,一个存活细胞可繁殖成一个细胞群体称之为
A.存活B.凋亡C.克隆D.复制E.效应
参考答案:C
解析:在离体条件下,一个存活细胞可繁殖成一个细胞群体称之为克隆。
单词填空(共10小题;每小题0.5分,满分5分)
小题1:It was t______ of her to forget.
小题2:They finally a______ our advice on how to finish the work.
小题3:Check your p______ before you get off the bus.
小题4:She hopes to get a job on the local newspaper and e______ work for The Times.
小题5:He r______ losing the train to help the old lady.
小题6:The race organizers are trying to attract _______(赞助人).
小题7:We must find an _______(合适的) method to solve the problem.
小题8:You have put me in an _______(令人尴尬的) positions.
小题9:Our friendship has steadily _______(加强) over the years.
小题10:We can visit you on Saturday or Sunday, our plans are fairly ________(灵活的).
中国新民主主义革命的三大经济纲领是()。
A、没收封建阶级的土地归农民所有
B、没收中农的土地归贫农所有
C、没收四大家族为首的垄断资本归新民主主义国家所有
D、没收民族资产阶级的资本归新民主主义国家所有
E、保护民族工商实业