(    ) 3. ―-Do you know how tea was invented?

 —It is said that tea was invented      

A. by accident    B. on display

C. on sale    D. in surprise

(   ) 2. I took the wrong train       I didn't

even know it until half an hour later. 

A. by mistakes    B. by mistake C. with mistake    D. with mistakes

(   ) 1. Be careful! You might cut yourself      

A. by accident       B. by mistake

C. by an accident    D. by a mistake

5. 壶里的水发出怡人的气味。

The water in the pot produced              

4. 蛋糕闻起来太香了。我迫不及待想吃。

The cake      delicious. I can't              it.

(   ) 3. Coffee is ready. How nice it      ！

A. smells    B. sounds

C. feels    D. becomes

(   ) 2. ―The medicine       awful. I can't stand it.

—I know,Jimmy. But it's helpful for you.
A. tastes    B. eats

C. drinks    D. takes

(   ) 1. ―How do you like the fish I cooked for you?

      --I haven't had it yet. However,it       good.

A. smells    B. testes

C. sounds    D. feels

小小发明，大大改变。我们的生活因为各种科技

发明而日益便捷，请你以"My Favorite Invention"为题，写一篇120词左右的英语文章，介绍你最喜爱的发

明。

参考词汇：widely,be used for,be enjoyed by,con?venient ，useful ， helpful ， communicate  

9. The popularity of basketball has_____________ (rise) around the world, with many young people.