题目内容

1838--1839年，施莱登和施旺提出了（）

A. 进化学说
B. DNA双螺旋结构
C. 分离定律
D. 细胞学说

查看答案

搜索结果不匹配？点我反馈

更多问题

The committee is totally opposed ______any changes being made in the plans.

A. of
B. on
C. to
D. against

Finding a job in such a big company hasalways been ______ his wildest dreams.

A. under
B. above
C. over
D. beyond

The old man had three sons, all of______served in the army during the war.

A. them
B. that
C. which
D. whom

This crop has similar quantities to theprevious one, ______ both wind-resistant and adapted to the same type of soil.

A. being
B. been
C. to be
D. having been