用所给词的适当形式填空
(1)It's time____(play)football.
(2)We want____(visit)the San Francisco next month.
(3)What about____(go)____(swim)tomorrow?
(4)—What are you going to do tomorrow? —I____(have)a party at home.
(5)She____(be)an English teacher next year.
提出“大陆漂移假说”的科学家是( )
科学家发现人与黑猩猩的细胞色素C差异最小,与马的差异则大一些,而与果蝇、向日葵的差异更大.科学家研究的方法是( )
如图为洋葱表皮临时装片制作的四个步骤,请按正确操作过程排序( )