A
Summer has finally arrived, which means kids are bound for the outdoors.It can be exciting for kids and parents to have a great chance to go swimming，picnicking or on adventures.This time of the year is also a dangerous time of the year as almost half of all injuryrelated deaths in children happen between May and August.Whether it is in the pool, on a bike, out in the sun or in the backyard is always important.Here are some tips to keep the family safe over the summer.
Water Safety
At this time of the year, drowning deaths among children skyrocket(飞涨) compared to the rest of the year.Never leave your child alone in the water, even in shallow(浅的) water.A child can drown in as little as one inch of water.Enroll your children in swimming lessons.Some swim schools offer class for children as young as 6 months.
Sun Safety
We are fortunate enough to live in the Sunshine State, where sun shines yearround.But because you and the kids will be spending outdoors this summer, it's important to protect yourself.Make sure to use a widelyused sunscreen (防晒霜) that blocks both UVA and UVB sunlight.Cotton clothing has an estimated SPF of only 6, so even if your kids are going out wearing Tshirts and shorts, make sure they are covered up.
Bike Safety
Nothing says summer like a nice neighborhood bike ride.But bikes are not toys and can certainly cause injury.Don't forget to always wear a helmet.Head injuries are reduced by 85 percent when riders wear a helmet and other safety equipment like knee and wrist pads.It's estimated that 75 percent of bicyclerelated deaths could have been prevented with bicycle helmets.When kids are riding on the street, make sure they understand all riding hand signals, ride with the traffic flow and stay as far right as possible.
这是一篇说明文，主要告诉读者夏季是一个危险的季节，并给出安全过暑假的建议。
21．Summer is called a dangerous time because children ________.
A．are easily injured B．enjoy staying in the sun
C．want to learn swimming D．refuse to accept advice
答案：A
解析：细节理解题。根据第一段中的“...as almost half of all injuryrelated deaths in children happen between May and August”可知，夏天是危险季节的原因是孩子们容易受伤，故选A。
22．What can be learned from the second paragraph?
A．Swimming is a dangerous activity.
B．Shallow water is harmless to children.
C．Some swim schools offer class for free.
D．Deaths from drowning increase suddenly in summer.
答案：D
解析：细节理解题。根据Water Safety中的“At this time of the year，drowning deaths among children skyrocket(飞涨) compared to the rest of the year.”可知，夏天溺亡的案例急剧增长，故选D。
23．In order to avoid getting sunburned, what should you do?
A．Avoid riding bikes. B．Use a sunscreen.
C．Buy expensive clothes. D．Wear Tshirts and shorts.
答案：B
解析：细节理解题。根据Sun Safety中的“Make sure to use a widelyused sunscreen(防晒霜) that blocks both UVA and UVB sunlight.”可知，为了不被晒伤，作者建议使用防晒霜，故选B。
