I. Translate the following sentences into Chinese. 1. The matter is receiving the seriousconsideration of the school. 2. My recognition of him was immediate. 3. The pianist gave a fine performance. 4. I am afraid I can’t teach you swimming. I think my little brother is abetter teacher than I. 5. He is no smoker, but his father is a chain-smoker. 6. Differences between the social systems of states shall not be obstacles to their cooperation. 7. His wife has done everything possible to mother him. 8. We must be sure that the scale with which we are comparing our subjectsprovides a "valid" or "fair" comparison. 9. Heavy objects are more stable than light ones. 10. Only when we study their properties can we make better use of thematerials. 11. The same principles of low internal resistance also apply tomilliammeters. 12. At 9 o’clock, he came home for dinner. 13. The house is out of repair. 14. As he ran out, he forgot to have his shoes on. 15. The volume of trade has increased tremendously to the advantage ofboth countries.