新概念英语二册Lessons 51课后练习答案

新概念英语二册Lessons 51课后练习答案词汇学习 Word study raise与rise (1)raise作动词时只能作及物动词，即它必须跟宾语。它能够表示举起、往上提、使升高等含义： Will those who agree with me please raise their hands?请那些同意我的人举起手来好吗? Why did they raise prices?他们为什么提升物价? (2)rise作动词时通常为不及物动词，表示起立、起床、(日、月等)升起等含义： Youre still in bed and the sun has already risen!你还在床上，太阳已经升起来了! I used to rise at half past six.我过去常常6点半起床。 All the students rose when the teacher came into the classroom.老师走进教室时所有的学生都起立。lay与lie (1)lay的过去式与过去分词均为laid。它通常为及物动词，表示置、搁、铺、准备等： Please lay the book open on the desk.请把书打开放在书桌上。 I laid your clothes on the bed so yon could put them away.我把你的衣服放在床上了，这样你能够把它们收起来。 If you cant cook the dinner, you can at least lay the table.你如果不会做饭，至少能够把桌子摆好。 (2)lie的过去式和过去分词分别为lay和lain。它是个不及物动词，表示躺、平卧等： Are you going to lie in bed all morning?你打算在床上躺一上午吗? Are you going to spend the whole morning lying in bed?(译文同上) We were so tired after last nights party that we lay in bed all morning.昨晚的晚会之后我们非常疲劳，今天在床上躺了一上午。 beat与win (1)beat作及物动词时能够表示打败、战胜、胜过、超过： They beat their enemy, though they were fewer in number.他们虽然人少，但打败了敌人。 表示一个球队打败另一个球队时也用beat。 (2)win作及物动词时能够表示在获胜(成功)、赢得、获得、夺得等：练习答案 Key to written exercises 1.关键句型练习答案 A got(1.1); decided(1.2);began(1.2); wrote out(1.3); included(1.4); paid(1.5); rang(1.6);was not surprised (1.6); led(1.7); hid(1.7); asked(1.9); smiled(1.9); put(1.9);explained(1.10); had to reward(1.10); showed(1.10) 2.难点练习答案 1 rose 2 lying 3 laid 4