2 . 根据提示填写单词
1. ________ to ocean conservation   致力于海洋保护
→a devoted (adj.) friend   一位忠诚的朋友
→her devotion (n.) to duty   她对职责的忠诚
2. ________ to animals   对动物残忍
→survive in a ________ (adj.) world   在残酷的世界中生存
3. give ________ and talks   做报告及讲座
→________(v.) a modern image   呈现现代形象
4. ________ energy   可再生能源
→________ (v.) their wardrobe   更新他们的衣橱
5. ________ water bottle   可重复使用的水瓶
→________ (v.) your envelopes   重复使用你的信封
6. severe breathing problems and ________严重的呼吸问题和感染
→________(v.) another person   感染另一个人
7. with ________ 经过允许
→________ (v.) me to bring my camera   请允许我带照相机
8. the ________ of us   我们中的大多数
→play a ________ (adj.) role   发挥主要作用；扮演主要角色
9. ________ him to stay   劝他留下来
→in urgent (adj.) need   迫切需要
→a matter of some urgency (n.)   一件很紧急的事
10. ________ parents   忧心忡忡的父母
→________ (v.) myself with politics   使自己关心政治
→growing public ________(n.)   日益增长的公众关注
11. ________ to global warming   造成全球变暖
→make a contribution (n.) to charity   给慈善组织捐款

3 . A group of students are chatting after class. Complete the conversations with the correct forms of the phrased in the box.

eat a good breakfast                              get your parents’ permission hang out with friends                            balance work and personal life

1. A: I’m thinking about riding a motorbike to school. What do you think?
B: Oh? Well, I think it’s necessary ________first.
2. A: How come you fainted suddenly yesterday? Didn’t you eat anything in the morning?
B: I’m on a diet.
A: That’s so bad! You know it’s important ________every morning.
3. A: I often see you around Central Park.
B: Yes, I like ________ there every weekend. We usually play ball games.
4. A: I hear that the new headmaster has too many things to do.
B: Yes. It will be a big challenge for him ________.