New Words：

speed [spiːd] 速度

Sample Sentences：

Hold your speed at 70.
The train is speeding up.
The train is losing speed.
The train is slowing down.
The speed of the boat was too fast.
The engine is very noisy at high speed.

New Words ：

suit [suːt] 套装;西装;西服
agreement [əˈɡriːmənt] 协议；协定；同意；契约

Sample Sentences：

He wore a grey suit.
My suit needs pressing.

I made a gentleman 's agreement with him .
They had an agreement never to talk about work at home.

New Words ：

measure [ˈmeʒər] v.测量；度量；估量
measurement [ˈmeʒərmənt] n.测量；度量；长度
take sb's measurement 测量某人的尺寸

Sample Sentences：

May I help you to measure?
How do we measure the speed?
We measured the difference in temperature.

Let me take the measurement for you.
Let me take your measurement, please.
Do you know your measurements(= the size of your body) ?

New Words ：

finish [ˈfɪnɪʃ] 完成;做好;(使)结束
finished [ˈfɪnɪʃt] finish的过去分词和过去式
on time 准时，按时

Sample Sentences：

What time do you finish work?
The work was finished on time.
I need about an hour to finish this.
It's easy for her to finish this work.
Can you finish the work by five o'clock?

New Words ：

believe [bɪˈliːv] 相信

Sample Sentences：

I don't believe you!
Believe me, she's not right for you.
Believe it or not, what I said just now is true.
If you don't believe me, go and see for yourself!
Don't believe everything you read in the newspapers.