2016-2017学年译林版必修5 Unit3 Science and nature Grammar 课件 (15)-302edu教育资源网

Language points Scientists usually do thousands of experiments in order to prove something. (L3 A P49)

vt.证明,证实

1) This letter proves his kindness.

2) This proves that I’m right.

2) He proved himself (to be) right.

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