3、但是，家乡的变化也给我们带来了许多麻烦，例如：……（1-2句） 4、你的想法是：……（1-2句） 参考答案：
一、1-5CCBAB 6-10AABCA
二、1-5AAABB 6-10DDBBC 11-15ABBDC 三、1-5BADCC 6-10AADCA 四、A. 1-5CCADD
B.1. Text messages or “texting” is becoming very popular. 2. Yes.
3. University students and teenagers.
4. Using a computer keyboard and playing video games. 5. Using smaller mobile phones.
C.1. how 2. hide 3.better 4. like 5.nice 6. great 7. parties 8. relaxed 9. smile 10. in
五、A.1. recently 2. husband 3. waste 4. environment 5. realized 6. abroad 7. communicate 8. blocks 9. primary 10. lonely
B. 1.factroies 2.northern 3. pollution 4. married 5. impossible
C. 1. became 2. interesting 3. out 4. full 5. with 6. into 7. back 8. called 9. easy 10. caught 六、略