2. You should (把你的心思都集中在學習上) .

1. Good food can (增強體質).

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

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

6. All the technical words have been (畫底線標出) in red.

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

4. Scientists have made many important (發(fā)現) .

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.