2019-2020学年北师大版高中英语必修5课件:单元重点小结13
2019-2020学年北师大版高中英语必修5课件:单元重点小结13第2页

重点词汇

重点句型

重点语法

功能

走近高考

拓展阅读

1.      vt.帮助;协助→        n.助手;助理→          n.帮助;协助  As an        ,he        the professor with the experiment.And his        made the experiment easier to do.  2.       vt.捐赠;赠送→        n.捐赠;捐赠物  He             a lot of money to the charity.He hopes his       can make the world a better place to live in.  3.        n.现象→       (pl)  Many natural        are hard to explain.  4.        n.饥饿→      vi.饥饿;挨饿  They      to death in the desert. 

assist

assistant

assistance

assistant

assisted

assistance 

donate

donation

has donated

donation 

phenomenon

phenomena

phenomena

starvation

starve

starved