1、Welcome Unit Section 2 重点单词讲解教学目标：学习重点单词的用法，学会并使用。Step one: 重点单词讲解1. exchangen. 交流，交换 an exchange student 交换生 in exchange （for）作为（对的）交换vt. 交流，交换；交易，兑换 exchangefor 以换取/兑换 exchange sth. with sb. 与某人交流/交换某物例：When I was a middle student I came to China as an exchange student.翻译: 你可以在这里把英镑兑换成美元。 _ You ca
2、n exchage pounds for dollars. 2. design n. 设计；设计方案例：The design of the room was in the fancy style popular in those days. v. 设计be designed for 为.而设计be designed to do 目的是做，为做.而设计例：Music is often played in public because it is designed to make people feel less lonely.经常在公共场所播放音乐是为了让人们感觉不那么孤单。 翻译：这是一项简单
3、但令人满意的设计。_It was a simple but pleasing design.3. curious adj. 好奇的；求知欲强的 n. curiosity 好奇心 be curious about 对.感到好奇 be curious to do 好奇做.例：He was bright and curious about the world outside his home town 他天资聪颖，对家乡之外的世界充满了好奇。翻译：我很好奇她说了些什么。 _I was curious to find out what she had said.adj. 焦虑的；不安的 anxiety
4、 n. 焦虑 be anxious for sb/about sth 为担忧、担心 be anxious to do 急于、渴望做某事例：Parents are naturally anxious for their children. 父母自然为儿女担心。翻译：我不外向，所以现在我有点焦虑。 _4. anxiousIm not outgoing so Im a little anxious right now.5. annoyedadj. 感到生气的，恼怒的 annoying adj. 令人生气的 annoy v. 使恼怒 be annoyed with sb 生某人的气 be annoye
5、d at/about sth 因某事生气例：She was annoyed with me because I was too careless. 她因为我太粗心了而生我的气。翻译: 他对报纸上的那篇报道极为恼火。 _He was very annoyed at the newspaper report.6. frightenedadj. 感到害怕的；受惊吓的be frightened of（doing）sth 害怕（做）某事be frightened to do sth 害怕做某事be frightened that 害怕例：I m frightened of walking home al
6、one in the dark. 我害怕在黑夜里独自走路回家。翻译： 我害怕在公开场合讲话。 _I m frightened to speak / of speaking in the public.7. impressionn. 印象；感想 impress v. 给.留下深刻印象leave/have/make an impression on sb 给.留下深刻印象be impressed with 对.印象深刻the first impression 第一印象例句: What was your first impression of Beijing? 你对北京的第一印象是什么？翻译：我想给
7、他人留下一个好的第一印象。 _I want to make a good first impression on others. 8. concentrate concentration n. 集中；专心concentrate on doing sth 专心做某事例句: Water companies should concentrate on reducing waste. 自来水公司应该把精力放在减少浪费上。翻译：我不能集中精力做实验。 _ I couldnt concentrate on the experiment.9. explorev.探索，考察，探险exploration n.
8、探索,探测 explorer n. 探险者，勘探者，考察者例句: Im going to make use of this tour to explore the history of the castle. 我将利用这次旅行来探索这个城堡的历史。英译汉：I believe I will make new friends here, and theres a lot to explore at senior high.10. confident confidence n. 信心；信任 adj. 自信的，有信心的；有把握的be confident about 对.有信心例句：Many stude
9、nts are not confident about themselves，so they are afraid of talking with foreigners. 许多学生对自己没有信心，所以他们害怕和外国人交谈。翻译：我现在感觉比早晨自信多了。 _I feel much more confident than I felt this morning.Step two: 巩固训练 1. 交换生 2. 以换取/兑换3. 为.而设计 4. 目的是做，为做.而设计5. 对.感到好奇 6. 为担忧、担心7. 生某人的气 8. 害怕做某事9. 给.留下深刻印象 10.第一印象11. 专心做某事 12. 对.有信心Step three: 能力检测1. 当我是个中学生时，作为交换生来到了中国。 2. 经常在公共场所播放音乐是为了让人们感觉不那么孤单。 3. 他天资聪颖，对家乡之外的世界充满了好奇。 4. 父母自然为儿女担心。 5. 她因为我太粗心了而生我的气。 6. 我害怕在黑夜里独自走路回家。 7. 你对北京的第一印象是什么？ 8. 自来水公司应该把精力放在减少浪费上。 9. 我将利用这次旅行来探索这个城堡的历史。 10. 许多学生对自己没有信心，所以他们害怕和外国人交谈。Homework:1. 巩固本节课所讲重点单词2. 背过并能默写重点句子。
