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4. He thought there was only one way to do this —by crossing different species of rice plant......

翻譯:      

仿寫:科學家們正盡力尋找預防疾病的方法。

3. We are strongly against (用動物做實驗) .

4. This new book (出版了)last month.

5. His aim is (掙更多的錢) .

7. The first edition in 1955 and a best seller ever since.

   A. was published;had been

   B. was published;has been

   C. has been published;has been

   D. had been published;had

I.單詞檢測

1. 診斷v. 2. 畢業V.

3. 爆炸v. 4. 逃跑;逃避v.

5. (人們發現) that Stephen Hawking was a brilliant scientist.

10. We’ll go there it rains.

3. The plan must (put) into practice as soon as possible.

6. “Oh,well ,” my friend said, “ least we have two more left. ”