练习材料：
Lesson 39-（1）：Nothing to worry about
任务配置：
L0+L1
知识笔记：
单词积累
boulder 大石块
pit
n.(名词)
1陷阱，圈套
2.凹处，凹地
v.(动词)
1，使竞争，使较量
2（使）成凹，弄凹，使有凹陷
3（使）成麻子，变麻脸，使有麻子
The children were playing in the sand pit.
孩子们在沙坑中玩耍。
They dug a pit to bury the rubbish.
他们挖了一个坑把垃圾埋掉。
I've got quite used to working in the pit.
在矿井工作我已经很习惯了。
When you fall into a pit, you either die or get out.
当你落入陷阱中,不是设法逃出,就是死路一条。
The ground was pitted by the heavy rain.
大雨使场地变得坑坑洼洼。
The managers want to pit the champion against an unknown.
经理们想让冠军与一名未成名的选手比赛。
perturb 使烦恼；使不安
King Herod was greatly perturbed when he heard this;and so was the whole of Jerusalem.
希律王听后异常惊恐，耶路撒冷的全城居民也感到非常不安。
swerve急转弯
Don't race or swerve or suddenly hit your brakes.
不要赛车或者忽然转向或者忽然刹车。
scoop 挖
This small rodent can scoop a long , narrow tunnel in a very short time .
这只海狸能在短时间内挖出一条长且窄的洞。
You can scoop up more food from the bottom of a pot of soup.
你盛汤的时候往下捞，锅底儿都是好东西。
ominously 不详的
Ominously, the Institute is just down the street from where I do my worrying.
不祥地，这家机构恰好在这条街道的下面，从那儿我产生着我的烦恼。
Mammy shook her head ominously.
嬷嬷不祥地摇着头。
grind 磨
It won't grind down any finer than this.
不能磨得比这个再细了。
Some people grind their teeth while they are asleep.
有些人睡觉时磨牙齿。
People in this area were ground down by hunger and poverty.
这个地区的人们受着饥饿和贫穷的折磨。
We grind up the wheat to make flour.
我们把小麦磨成面粉。
clump 丛，簇
fissure （石，地）的深缝
astride 骑，跨
That pretty girl rode astride the horse.
那位漂亮的小姑娘两腿叉开骑在马上。
单词积累（from 口语粉碎机）：
make the first move 抢占先机
Her new job is just a sideways move.
她的新工作只是平级调动。
