题目内容：

Summer is coming.How to keep fit in this hot season?Here are some good ideas.

Stay active and cool

Experts say teenagers should get at least 60 minutes daily exercise most days of the week. Summer is a great time to enjoy outdoor activities and play.If you’re near water,try water sports like swimming, surfing and water skiing.

Keep away from the sun

If you are going outside. keep away from the sun when it's strong, usually between 11: 00 am and 3:00 pm. Put on a hat and a pair of sunglasses. Apply sunscreen(防晒霜) and don' t get sunburned.

Eat fresh and colorful food

What is healthy to eat in summer? Fresh and light food. You can eat more fish in summer.

They can keep your body energetic and help fight against the burning sun.

Summer is also a great time to eat colorful fruit and vegetables. The beautiful colors not only please the eyes, but are also healthy chemicals. For example,tomatoes can help protect your skin against sunburn. Blueberries are good for your brain and eyes.

Drink water properly

Finally, don't forget to drink a lot of water. With all these summertime activities you will be thirsty. Water is the perfect drink to prevent dehydration. If dehydration happens to you, you'll be in danger. Try not to drink too many energy drinks or sports drinks. They have a lot of sugar.

1.Among outdoor activities in summer,  _ not mentioned in the passage.

A. swimming    B. surfing    C. rowing    D. water skiing

2.To keep away from the sun, we can  .

A. put on a hat and a pair of sunglasses

B. try water sports without applying sunscreen

C. go outside when it's strongest between 11: 00 a.m, and 3: 00 p.m.

D. eat fresh fruit

3.The underlined word"dehydration"means “     ”  in Chinese in the passage.

A. 灼伤    B. 脱水    C. 晒晒伤    D. 干燥

4.We can learn that  _ from this passage.

A. tomatoes are good for your brain and eyes

B. blueberries can help protect your skin against sunburn

C. eating fish and tomatoes can help us fight against sunburn

D. drinking water is good for your eyes