文档介绍：上册
Unit 1
1. 他们发现要掌握一门外语是困难的。(find it hard to)
They find it hard to master a foreign language.
。(similar)
The research shows that essful people are similar in many ways.
。(depend on)
essful language learners do not just depend on books or teachers.
。(be willing to)
We're willing to help our friends.
,积极地并且有目的地学习新东西。( purposefully)
We should learn new things independently, actively and purposefully.
Unit 2
。(lead…with)
China leads the world with its silk products.
,有些州还要收购物税。(in addition to, charge)
Some states charge a sales tax in addition to e tax.
。(vary with)
Sales tax varies with the prices of the goods you buy.
。(complain about)
People are plaining about the rising prices.
。(spend…in)
Mother said he spent too much time in watching TV each day.
Unit 3
。(afraid)
The sailors are afraid that they may meet bad weather.
。(half as…as)
This mountain is half as high as Mount Tai.
。(on the average)
On the average, there are 45 students in each class of the school.
。(affect)
Climate affects the growth of plants.
。(pile up)
My work keeps piling up.
Unit 4
。(focus on)
Their research mainly focuses on the learning skills of adults.
。(It is meaningful to…)
It is meaningful to know how to use these phrases.
。(consist of)
The adult group consists of 15 people.
,我们都很清楚这些事实。(needless to say)
Needless to say, we are all clear about the facts.
。(refer to, the ability to)
Memory refers to the ability to remember the past events and experiences.
。(associate with)
I always associate that song with my school life.
Unit 5
。(substitute for)
We haven't found a substitute for him yet.