Unit 2 Wildlife Protection 第4课时 重点单词变形，词组，短语，句型练习（分层作业）-【上好课】2022-2023学年高一英语同步备课系列(人教版2019必修第二册）

Unit 2重点单词变形，词组，短语，句型练习 (重点单词全覆盖) 基础知识自测 重点单词变形 1．illegal adj.不合法的；非法的→ adv.不合法地；非法地→ adj.合法的 2．alarming adj.惊人的；使人惊恐的→ vt.使惊恐；使害怕；使担心 n．恐慌；警报；警报器→ adj.害怕的 3．extinct adj.已灭绝的→ n．灭绝 4．aware adj.知道；发觉；有……意识的→ n．意识→ adj.未发觉的；不知道的 5．endanger vt.使遭受危险；危害→ adj.濒危的→ n．危险→ adj.危险的 6．concern vt.涉及；让……担忧→ adj.担心的；关切的→ prep.关于 7．adapt vi.适应 vt.使适应；使适合→ n．适应；改编本→ adj.适应性强的 8．beauty n．美；美人；美好的东西→ adj.美丽的；美好的→ vt.美化 9．effective adj.有效的；生效的→ n．效果；影响→ vt.影响；侵袭 10．recover vi.恢复；康复 vt.找回；寻回→ n．恢复 11．intend vi.& vt.打算；计划；想要→ n．意图；打算 12．threat n．威胁→ vt.威胁；危及 13．exist vi.存在；生存→ n．存在；生存 14．unusual adj.特别的；不寻常的→ adj.常见的，寻常的 重点词组 1．on earth (放在疑问词之后表示强调) 2．die out 3．aware of 4．on average 5．concerned about 6．adapt to 7．under pressure 8．make out 9．remind sb.of sb./sth 10．watch over 11．day and night 12．due to 13．search for 一、用单词的适当形式完成句子 1．Compared with his sister, Jerry is even more sensitive to__________(emotion) and relationship problems. 2．The manager was ________ (concern) to hear that two of his trusted workers were leaving. 3．Some animals have a remarkable ability to adapt ________ changing environments. 4．As the climate is becoming hotter and hotter, this kind of grass is dying_____________. 5．The student became aware____________ the danger of smoking and decided to give it up. 6．The problem is growing at an___________（alarm）rate. 7．A survey of over 74,000 people found that 35% of them sleep for less than seven hours daily________ average. 8．As far as I am____________, parents show too much ____________about