1.练习材料：新概念第三册lesson43
2.任务配置：L0+L3+L4
001 任务L0 朗读 已发QQ群
002 L3复述 未发QQ群
3.知识配置
001purchase v. 买 buy vt.
purchase 比buy 要正式，主要用于书面语，还可以是名词
Can you purchase fredom with money?
I need not remind you of that terrible tie you bought yesterday.(二册L41)
purchase money 买进的价格
purchasing power 购买力
Not worth a day’s purchase 危在旦夕
Eg: His life is not worth a day’s purchase.
002 shiver v. 打颤，发抖
shiver == tremble
整体的颤抖用shiver, 部分的用tremble
Eg: His hands are trembling.
He is shivering with cold.
Eg: His trembling voice betrayed his secret. 他颤抖的声音泄漏了他的秘密。
Shudder 因为寒冷害怕的因素导致的全身抖动
003 perch v. 处于（高处）
locate, situate 是正式用词，vt.
perch vi.
A bird perched on the branch of the tree for the moment.
perch on 栖息
The little village perches among the hills.这个小山村高高地位于群山之中。
Knock sb off his perch 打败、击败
Eg: I knocked him off his perch yesterday.
come off one’s perch 不再骄傲自大＝put your pride in your pocket.
put your pride in your pocket.
004 precariously adv. 危险地，不稳固地
Precarious = unsafe, unsteady, not firm 强调不安全，不稳定，不稳固而导致的危险
An actress’s life would be too precarious for me. 不稳定
dangerous 危险的常用词
Eg: Playing with matches is dangerous.
hazardous 碰运气的，冒险的 而导致的危险
Climbing the high mountain is hazardous.
adventruous 爱冒险的，胆子很大的
perilous 语义程度比dangerous 要高的多，强调被伤害或被杀害的危险
Eg: It is perilous to do so. 这么做有可能会丢了性命。
005 haul v. 拖曳
haul == pull with effort our force 强调用力去拉
Eg: They hauled the boat up the beach.
pull 连续不断地拉 （应用范围最广泛）
drag 拖拉(两者之间有摩擦力)
Eg: The stone was so heavy that I had to drag it into the room.
After a day’s hard work, I dragged myself Home. 工作了一天我拖着疲惫的身躯回了家
Drag oneself to 拖着疲惫的身躯去……
tug 强调飞快的拖拉
Tow 借助外力拖拉较大较重的物体
006 insure v. 投保
insure== make a contract that promises to pay a sum of money in case of accident, damage, loss, etc.
insure sb/sth against 给…上保险以防…
insurance n.
insurance company 保险公司
assure 向......保证，使确信，它的宾语一定是人。
I assure you that I’ll bring you Happiness. 我向你保证能给你带来幸福。
ensure v. 保证，确保 宾语可以是物
Hard work can ensure our success.
guarantee 担保（指担保人的优秀品质，视之某物的质量
I can guarantee the watch for ten months.
L4总结复盘！
01 朗读 每天保证1小时的朗读，今天读的还好，一遍完成录音。个别发音不准确。
02 复述 听了二遍，记得不清楚。