New Words：

identity [aɪˈdentəti] n.身份；同一性；一致；特征
identity card 身份证

Sample Sentences：

His driver's license revealed his identity.
A credit card is not a valid proof of identity.
The police asked him to show his identity card.

license ['laisns] n.许可证, 执照, 特许
reveal [ri'vi:l] vt.显示, 透露, 揭示, 展现
credit ['kredit] n.信用
valid ['vælid] adj.有效的, 有根据的, 合法的, 正当的
proof [pru:f] n.证明, 证据

New Words：

clue [klu:] n. 线索, 提示
not have a clue 毫无头绪， 什么也不知道

Sample Sentences：

I'm sorry, I haven't a clue.
The police are busy hunting for clues.
There is no clue to the identity of the thief.
"Do you know the time of the next train? " "I don't have a clue."

identity [aɪˈdentəti] n.身份；同一性；一致；特征
identity card 身份证

New Words：

destiny [ˈdestəni] n. 命运
destination [.desti'neiʃən] n.目的地, 终点

Sample Sentences：

It is my destiny one day to be king.
She was told that it was her destiny to marry a rich man.

The path to our destination is not always a straight one.
At last, after twenty hours on the boat, they arrived at their destination.

New Words：

back in time 时光倒流；回到过去

Sample Sentences：

A visit to the museum will take you back in time to the 1930s.
If you could travel back in time, what would be your destination?

destination [.desti'neiʃən] n.目的地, 终点

New Words：

slide [slaid]
vi.滑动, 下滑, 滑入, 悄悄地溜走
vt.使滑动
n.滑梯,幻灯片, 滑坡, 滑动, 雪崩

slid [slɪd] 动词slide的过去式和过去分词

Sample Sentences：

The drawers slide in and out easily.
She slid out while no one was looking.
He carefully slid the top off the box.
The slimy snail slid slowly down the slide.
Well, let's take a look at the next slide.

slimy [ˈslaɪmi] adj. 粘糊糊的；黏滑的