2. You should (把你的心思都集中在学习上) .

1. Good food can (增强体质).

8. It is said that olive trees have deep (根).

7. We saw a quick film showing the stages in the (生产) of glass.

6. All the technical words have been (画底线标出) in red.

5. This food provides all the (营养) your dog needs.

4. Scientists have made many important (发现) .

3. At the end of the news,they often give you a s of the main ' newsstories.

2. T ve only s his letter; I haven’t read it carefiilly yet.

1. Mike hoped to r his weight from 98 to 92 kilos.