Unit21HumanBiology限时练高三英语一轮复习北师大版选修七.docx

2022英语高考一轮复****限时练Unit 21
词汇变形
1. ___________vt. 容忍→ __________ adj. 宽容的；容忍的→ _____________ n. 容忍
2. ____________ vt. 反对→ _________ adj. 相反的 prep.在……对面→ _______________ n. 反对；对抗
3. ______________ adj. 荣幸的→ _____________ n. 特权；优惠;优待
4. ________ n. 实验→ _____________ v. 试验 n. 尝试
5. ____________ vt. 禁止→ ____________n. 禁止；禁令→ _______________ adj. 禁止的
6. _________ vt. 联合;团结；统一→ __________ n. 团结;联合；联盟→ ___________ adj. 团结
的；联合的
7. _________ n. 信心→ ___________ adj. 忠诚的；忠实的；可靠的
8. __________vt. 使有准备→ _______________ n. 装备；设备
9. ____________ n. 大笔钱财；巨款；运气；命运→ _____________ adj. 幸运的→ _______________ n. 不幸
10. ____________ n. 担心；担忧 v. 与……有关→ _______________ adj. 关心的；牵挂的；有关的→ _____________________. 关于
11. ___________ adj. 每年的；一年一次的；年度的→ _____________ adv. 一年一次地;每年
课文缩写
Athletic performances have 1._______________(continue) improved since the first Olympic Games. However, improvements 2. ________________ (begin) to slow down recently. While 3. ___________ (talk) about breaking records, we come across the issue of performance-enhancing drugs, 4. __________ are originally developed to help people with illness, but they are often used by some athletes to perform 5. __________ (well) than usual. In other words, doping is a fundamental from of cheating. 6. __________________(unfortunate), it is difficult to catch athletes 7. __________ (use) illegal dr