2 . 猜测加黑词observe的含义
1. Moreover, a rice expert even instructed us to observe the growth process of the hybrid rice.________
2. Though having lived abroad for years, many Chinese still observe the traditional customs.________
3. However far it is, Chinese people will return to their home to observe the Spring Festival.________

3 . When John Todd was a child, he loved to explore the woods around his house, ________ (observe) how nature solved problems. (所给词的适当形式填空)

4 . 拓展单词
1. assume v. 假定，假设，认为→ ________ n. 假定，假设→ ________ adj.假定的，假设的→ ________ conj.假如
2. respect v. 尊敬，敬重n.尊敬;(事物的)方面，细节→ ________ adj.值得尊敬的;体面的→ ________ adj.尊敬的
3. ignore v. 忽视，不理→ ________ n. 无知;不了解→ ________ adj.无知的;愚昧的
4. profession n. 职业，行业→ ________ adj.职业的，专业的
5. suit v. 适合;适宜 n. 一套外衣;套装→ ________ adj.适宜的;合适的→ ________ adv.合适地，适宜地
6. responsible adj.(对事故、错误、罪行等)负有责任的，应承担责任的→ ________ n. 责任，负责
7. observe v. 庆祝;过(节日、生日等);观察→ ________ n. 观察
8. stress n. 重音，重读;压力 vt.加压力于;使紧张→ ________ adj.压力重的;紧张的→ ________ adj.焦虑不安的
9. strong adj.强壮的;坚强的→ ________ n. 强烈程度;长处;力量→ ________ vt.加强;巩固
10. admire v. 钦佩，赞美，羡慕→ ________ adj.令人钦佩的→ ________ n. 钦佩，羡慕
11. judge v. 认为，判断→ ________ n. 意见;判断力;审判
12. settle v. 和解，结束(争论)→ ________ n. 移民;殖民者→ ________ n. 殖民地;协议
13. entire adj.全部的，整个的→ ________ adv.全部地;完全地

5 . He was very angry when he ________________ (观察到) his son’s bad behaviour. (根据汉语提示单词拼写)

7 . Every student should o________(遵守) the rules of our school. (根据汉语提示单词拼写)

9 . Biologists _________ (observe) a significant increase in bird species diversity after reforestation efforts. (所给词的适当形式填空)