阅读选择阅读下面的短文，从所给的a、b、c选项中选出最佳答案。A[2015.丽水改编]1.Postedby：MonicaCanadaApril2410.41Blackbreadwithhoney—AfriendofminestayedinahotelinIndiaandthemanagergaveth

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阅读选择阅读下面的短文，从所给的a、b、c选项中选出最佳答案。

A [2015 .丽水改编]

1. Posted by： Monica Canada April 24 10. 41

Black bread with honey —A friend of mine stayed in a hotel in India and the manager gave this to her for stomachache. It really works. Just take a piece of bread and toast it until it's black. Then put honey on the bread and eat it. It doesn’t look good but it can really help. So if you get stomachache try this remedy (治疗法) .

2. Posted by： Norma;USA April 24 9. 25

An onion --If you get a high temperature use an onion. It sounds strange but it helps. Cut one large onion in half and tie the half an onion to the bottom of each of your feet. You shouldn't wear socks of course!I use this on my kids and it works every time. The remedy came from a relative from down south.

3. Posted by： Hell Australia April 23 18. 03。A wet teabag —Here is my tip for toothache. You should put a wet teabag on the ‘sore tooth. I always have a wet teabag in the fridge so it's there when I need it.

4. Posted by： Lameed England April 23 16. 15

Salt water —When I was a child I got a lot of headaches and my grandmother always did this for me. Put a few drops of warm salt water in your ears. Don't use really hot water. Do this three or four times for both ears. Then lie down and close your eyes for about ten minutes.

() 21. The topic of the postings (帖子) is .

A. school problems

B. home remedies

C. food and drink

() 22. gave a tip for toothache.

A. Hell from Australia

B. Norma's kids

C. A friend of Monica's

() 23. According to the postings you can if you have a headache.

A. tie half an onion to your feet

B. put a wet teabag on your head

C. drop warm salt water in your ears