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Everyone wants to have healthy teeth. When you laugh, you will   1    your mouth and show your teeth. The healthier your teeth are, the happier you feel. Why is that?

It's   2    your teeth are important in many ways. Take care of them, and they'll help to take care of you. Strong,   3    teeth help you grow. They also help you speak clearly. You can take pate of your teeth by doing like these:

Brush your teeth   4    a day, after getting up and before bedtime. And you brush all of your teeth, not just the front ones. Spend some time   5    the teeth along the sides and in the back. Take your time while brushing. Spend at least three   6     each time you brush. Be sure your toothbrush is soft. Ask your parents to help you get a new toothbrush   7    three months. Clean between your teeth with dental floss(牙線).It feels strange when you do it   8    first, but soon you'll get used to doing it. Brushing   9    your teeth healthy. You also need to care about what you eat and drink. Eat    10  fruits and vegetables and drink water instead of drinks.

Do you want to have white and healthy teeth? Please brush your teeth!

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根據表格內容，選擇正確的答案。

1.What is Mary’s problem?

2.Donna thinks Mary’s problem is _________

3.The underlined word “reduce” in the passage probably means __________

4.Donna thinks that ________ can help Mary think more clearly.

5.Which of the following is TRUE according to Donna’s letter?

I can’t remember when I started collecting litter. But it was when I got tired of (1)_____litter nearby and realized that(2)_____ was going to pick it up.

I live near a (3)_____ in Enshi, Hubei Province. I can walk there in three (4)_____! I (5)______ love going there to play with my dog. But one day there was so much litter there that I became very unhappy. I decided I had to clean up the forest. I wanted to (6)______ happy going there again.

I made my (7)_____ trip to clean the forest that afternoon. I took a big black rubbish bag with me. Ten minutes (8)_____ starting to pick up litter, my bag was full! It had cans, bottles, broken glass and newspapers in it. From then on, I went to the forest four times a year to pick up the litter. I often (9) ______ there for three hours. It makes me feel 10)_____ to do something for the environment.

After each trip , I(11) _____all the litter that I’ve found. If (12)______ of it is recyclable(可回收的), I keep it. I can’t (13)_____ why people drop litter. But I will keep picking it (14)_____ they stop dropping it. I know I am only doing a small bit to help(15) ______, but I still think it is important.

1.                A．see            B．seeing          C．look D．looking

2.                A．no one else     B．I              C．everyone D．anyone

3.                A．school         B．forest          C．river D．park

4.                A．months         B．hours          C．days D．minutes

5.                A．would          B．do             C．am used to    D．used to

6.                A．look           B．feel            C．make D．see

7.                A．first           B．third           C．fourth    D．fifth

8.                A．after           B．later           C．before   D．of

9.                A．play           B．go             C．work D．sit

10.               A．worried        B．sad            C．disappointed   D．great

11.               A．bury           B．burn           C．sell   D．look at

12.               A．many          B．little           C．any   D．much

13.               A．wonder        B．ask            C．hope D．understand

14.               A．until           B．as             C．after  D．when

15.               A．myself         B．the earth       C．other D．the litter