1 . I gave her a copy and kept the original document myself.

A．a document produced for the first time

B．a document produced afterwards

C．a document that hasn’t been produced yet

2 . 阅读原版小说时，没有必要在词典里查每一个生词。(look) (汉译英)

3 . Yuan Longping thought by crossing different species of rice plant he could produce a new plant which could give a higher yield than either of the ________ (原来的，最初的) plants. （根据汉语提示单词拼写）

4 . 秉承创新理念，老师们原创了各种有挑战的句子，同学们向他们致以由衷的感谢。（variety）（汉译英）