2 . 根据语境，选择框中单词替换句中划线部分的单词或短语，使之意思一致。

recommended     track     expert     hosted     concentrate     debating     stress

1. The talks will focus on economic development of the region.
2. Life is like a boat. Everybody must learn to be skilled at boating.
3. He suggested going out for a walk.
4. He couldn’t see the benefit of arguing any longer.
5. Survey shows that over half of Hong Kong working population claimed they are under pressure.
6. The World Cup is held every four years, which many people watch on TV.
7. They walked along the path through the woods.

4 . 专家建议学生们应该把精力放在学习上。(recommend + that-clause; concentrate)(汉译英)

6 . 选择并使用所给单词的正确形式完成句子，有三个词为多余。

stress       responsible       target       contribution       benefit origin       concentrate       tense       independent       measure

1. Sharing your bad feelings with someone you trust is __________ to both your physical and mental health.
2. Children __________ less than one meter can enter the park for free.
3. At the meeting he __________ the importance of a good education again, urging every child should have the right to get educated.
4. There is increasing __________ along the border (边界) between the two countries, which may lead to wars between them.
5. Zhong Nanshan was awarded the Medal of the Republic because he made great __________ to the fight against the epidemic.
6. Going away to college has made me much more __________, and I can manage my life and study well by myself.
7. If you don’t __________ your attention on work, you’ll achieve nothing.

8 . ________________ my autobiography.
我正在集中精力写我的自传。

9 . 词性转换
1. ______n. 国家；民族；国民→national adj.国家的→nationality n. 国籍；民族
2. ______n. 设计；设计方案 vt.设计；筹划→designer n. 设计师
3. ______adj.正式的；正规的→(反义词) informal adj.非正式的；不正规的
4. ______adj.焦虑的；不安的→anxiously adv.焦虑地；不安地→anxiety n. 焦虑；不安
5. ______vt.使恼怒；打扰→annoyed   adj.恼怒的；生气的→annoying   adj.令人恼怒的；令人生气的→annoyance n. 恼怒；生气
6. ______adj.惊吓的；害怕的→frightening adj.令人害怕的→frighten vt.使害怕
7. ______vt.使钦佩；给……留下深刻的好印象 vi.留下印象；引人注目→impression n. 印象；感想→impressive adj.印象深刻的
8. ______vt.&vi.集中(注意力)；聚精会神→concentration n. 集中；专心
9. ______adj.自信的；有把握的→confidently adv.自信地；有把握地→confidence n. 信心；信任