【同步练习】Unit 21 Lesson 2（北师大） (2)

Unit 21 HUMAN BIOLOGY Lesson 2 Brain Power 同步练习同步练习 1 Although he talked for half an hour I still can t understand how on earth his remarks what we are discussing now A turn to B relate to C come to D refer to 2 To our puzzlement the written record of our conversation doesn t what was actually said A submit to B correspond to C contribute to D cater to 3 his grades with Tom s Jack was quite satisfied A Compared B To compare C Comparing D Compare 4 When will you leave for London 选择题选择题 We have decided to starting the voyage owing to the change of the weather A accomplish B expand C postpone D ensure 5 Treat to a glass of wine to help you relax at the end of the day A one B oneself C you D yourself 1 I can not 识别 the signature 2 He has no control over his 情绪 3 TV must 迎合 for many different tastes 4 We decided to take her advice and 延期 trip 5 The new flat has 充足的 living space 6 Some of the space will at first be used for 储存 1 我们必须对自己负责任 对他人负责 对社会负责 We must ourselves for others and for society 2 越来越多的证据表明该疾病是由一种有缺陷的基因引起的 Evidence is accumulating that a defective gene may this disease 3 计算机系统又软硬件组成 Computer systems software and hardware 4 你应该立即去看医生 You should go and see a doctor 5 他受到了老板的冷遇 He was coldly by his boss 答案和解析答案和解析 单词拼写单词拼写 选择题选择题 完成句子完成句子 1 5BDCCD 1 identify 2 emotion 3 cater meet suit 4 postpone 5 ample 6 storage 1 be responsible 2 be r