化石燃料的大量燃烧，造成大气中二氧化碳含量的不断上升，从而引起温室效应。防止温室效应增强，应采取哪些措施？
减少使用化石燃料的燃烧，更多的使用清洁能源；大力植树造林，严禁乱砍滥伐森林
题目分析：答案不唯一，言之有理即可，可以通过来源和去路两个方向作答，较灵活。
点评：考察生活中常见现象里的化学知识，较简单，但是却是中考中的必考题，平时注意积累总结。
选择正确的词组,并用其适当形式填空(10分，每空1分)
any more. 2. After graduation, she’s going to __________ by working on her father’s farm. 3. We can believe him, he always__________. 4. At the Festival of Halloween, children usually dress up _________ ghosts. 5. The holiday that everyone______________ has come. 6. Mr. Greens will _________ for Beijing tomorrow. 7. The child in African had no enough food, _____________, she staved to death. 8. If you _____________Australian cities, just read the book written by Dr. Johnson. 9. The best way to________ is keeping on doing exercise. 10. We have never discovered what __________ between the couple that day. |