當前位置：人教版（2019）必修第一冊《Unit 4 Natural disasters》2021年單元測試卷> 試題詳情

Swim safely! Swimming is great exercise，and a trip to a pool or beach is a good way to have fun with friends in summer.（1）
E
E
，so it's important to stay safe as you do it.Here are a few things you can do to swim safely.
   （2）
C
C
.Don't swim unless there is a life guard at work.If you're on a beach near the ocean，this is especially.In some places fast-flowing water can move swimmers away without warning.So if a sign says "no swimming"，pay attention to it.
   Be careful when diving（跳入）into the water headfirst.（3）
F
F
.In natural water，don't dive unless you know that the water is deep enough.Or you could hurt your head on the bottom，causing injury or death.
   Around water，adults should watch children at all times to make sure they are safe.Those who don't know how to swim should wear life jackets.But by themselves they are not enough，so an adult should always be present.If you have to rescue a child from drowning（淹），a few seconds can make a big difference.
   Make sure you have a friend with you whenever you swim.（4）
A
A
，that person can make sure you get help.
   Drink a lot water.The sun's heat and the physical activity may make you sweat（出汗）more than you realize.
   By following these simple rules，you can make sure your swim time is safe as well as fun.（5）
B
B
!

A.That way if something goes wrong
B.Now get out there，and enjoy the water
C.Swim only in areas set apart for swimming
D.Make sure everyone in your family swim well
E.But sometimes swimming can also be very dangerous
F.Most pools have marked deep ends where diving is safe
G.Many children who drown in home pools were out of sight within minutes

【考點】體育．

【答案】E；C；F；A；B

【解答】

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發(fā)布：2024/11/13 17:0:2組卷：11引用：1難度：0.5

相似題

1．VAR technology has been used in U．S．sports for years．Now it is fully combined with the global game of soccer and made its debut（首次亮相） at the 2018 World Cup this summer．（1）

．It is actually a team who work together to review certain decisions made by the main referee by watching video replays．
The VAR team supported the referees from a centralised video room．The operators selected and provided the best angles from the relevant broadcast cameras plus two additional offside cameras．（2）

．They will communicate with the referees only for clear and obvious errors or serious missed incidents．The referee can delay the restart of play at any time to communicate with the VAR team．（3）

，the referee would start an official review．Then they will make a decision based on the information received from the VAR team．
（4）

．Some fans believe that VAR causes too many interruptions，disrupting the flow of the game．But others just want a fair match and to see the correct call no matter what．They argue disruptions already take place as angry players crowd around a referee following a controversial decision．（5）

．With much money put into modern football，governing bodies are now under great pressure to see that the correct decisions are made on the pitch and VAR is a sure step in that．

A．If one team is likely to win a game
B．VAR stands for video assistant referee
C．It is hard to avoid and VAR is necessary
D．Once they decide an incident is reviewable
E．Throughout a match they are constantly checking for mistakes
F．The use of video technology is a hot topic among football watchers
G．VAR can serve to remove such scenes and get the game moving again
發(fā)布：2024/11/6 9:30:2組卷：5引用：1難度：0.4
解析
2．It's（1）

long-term question for teachers：（2）

do you get children who hate physical activity to take part in PE lessons？A Northampton primary school believes it has the answer．（3）

（Design） to make the least active pupils take an interest in their fitness，a program（4）

（introduce） at Lings Primary School recently．And not only have the pupils developed an interest in activities ranging from football to ballroom dancing，according to the school，but their school work has also improved（5）

（significant）．
The students also turn up on time-Ling now has the best（6）

（attend） record in the country at 98 percent．The turnaround had been achieved by simply making PE fun．Instead of（7）

（climb） wall bars and running on the spot，the pupils practice exercises such as moving like animals．One routine involves crawling around the floor like a bear and moving around like gorillas．In（8）

，the children try to maintain their balance on the boards made of rubber，all of which stretch their muscles and improve fitness．
Baroness Campbell，who chairs the Youth Sport Trust，which designed the program，said， "We want（9）

（show）young people that physical activity is fun and a great way to learn skills which will stay with them（10）

life．"
發(fā)布：2024/10/30 15:30:2組卷：33引用：2難度：0.5
解析
3．    Various sports attract fans for different reasons：Spectator sports draw even more fans who just love to watch.Here are some of the most beloved sports worldwide.
   Hockey -2 billion fans
   Hockey，both on ice and on a field，wins a following of two billion enthusiastic fans worldwide.Field hockey is mainly played in Europe，Africa，Asia，and Australia，while ice hockey is particularly popular in Canada and the US，where kids grow up playing pond hockey.Unlike ice hockey，field hockey usually does not involve body contact in the form of checking and hitting.
   Football -4 billion fans
   Football，better known as soccer in the US，is by far the most popular sport in the world.Experts estimate that the origin（起源） of football may go as far back as two thousand years，beginning in ancient China during the Han Dynasty.One major reason for football's global popularity is that unlike other sports that require expensive equipment，all you need to play football is a ball and your feet.
   Volleyball-900 million fans
   Volleyball pits two teams across a high net，each attempting to smash the ball onto the opponent's floor.A popular variant，beach volleyball，is competed on sand by pairs rather than the regular six players per team.The crowd appeal of beach volleyball has grown greatly in recent years.
   Tennis -1 billion fans
   An estimated one billion people worldwide follow professional tennis tournaments and matches.In tennis，players on both sides of a net try to hit a ball with a racket so that it either goes past their opponent（對手）or bounces twice on their opponent's side of the court to score points.Tennis superstars like Rafael Nadal，and Serena Williams are now household names around the world，with huge international fan bases.

（1）Which sport attracts the most fans according to the text？

A.Volleyball.
B.Hockey.
C.Football.
D.Tennis.
（2）What makes football popular all over the world？

?
A.Its long history.
B.Its great convenience.
C.Its unique origin.
D.Its huge fan bases.
（3）Which statement about the four sports is true？

?
A.Playing ice hockey involves body contact.
B.Soccer is American people's favorite sport.
C.Beach volleyball has attracted the most sports fans recently.
D.A tennis player loses one point if his ball goes past his opponent.
發(fā)布：2024/10/24 1:0:4組卷：3難度：0.5
解析

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