题目内容：

    How many times have you come back and felt terribly tired, feeling like your  head is going to explode? Sounds familiar, right? Well, there are several ways to reduce the frequency of headaches, and those are: eating balanced diet through the day, making sure your body is well hydrated (保持身体水分);getting some exercise to remove the negative energy, like helping yourself with a short massage (按摩）on your head. However, preparing an easy recipe will instantly put a smile on your face after your workday.

You will need these simple ingredients (配料)to prepare the magical drink which will stop your headache: Lemon juice; 2 teaspoons of salt (preferably high quality salt); 1 cup of water.

Directions:

Squeeze 2 lemons. Pour the lemon juice into a cup and add 2 teaspoons of salt. Mix the two ingredients. Add a cup of water to the content. Drink the mixture quikly.

How will this drink  work and what are the benefits of its ingredients?

Salt:Here  is what salt does for your body:

--regulates your blood sugar.

--balances the sugar   levels;

--benefits nerve cells for communication and information processing;

—obtains acidity from your body’s cells, especially brain cells;

—works as a strong anti-stress element for the body;

—adds energy in your body's cells.

Lemon Juice: This excellent juice, full of vitamin C and anti-poisons, will release all poisonous substances from your body and give you a sense of lightness. Here’s how the lemon will help you ease your headache and maintain well-being to your whole body:

—balances the pH levels in your body;

—protects your immune system;

—nourishes your brain and nerve cells;

— reduces inflammation (炎症)in your whole body (the headache is a type of inflammation, so the lemon juice fights against it).

Water：

Water is important for hydrating your whole body, including your head. Many of your daily headaches may be caused by dehydratation (脱水)，so keep in mind that you should drink plenty of water throughout the day.

1.How many ways arc mentioned in the text to help relieve headaches?

A. Two. B. Three.

C. Four. D. Five.

2.What do lemon juice and salt have in common in fighting against headaches?

A. Both can benefit our nerve cells a lot.

B. Both can keep our sugar levels balanced.

C. Both have no effect on our immune system.

D. Both balance the pH levels in our body.

3.The author’s main purpose in writing the text is   .

A. to explain to us different reasons for headache problems

B. to give readers advice on how to avoid headache problems

C. to warn readers of the bad influence of headache problems

D. to offer an anti-headache recipe and the benefits of its ingredients