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2551．
（全神贯注）in my own studies，I seldom took notice of Mother's tiredness and never offered to help her with the housework.发布：2024/5/23 20:38:36组卷：0引用：1难度：0.82552．
v.钻（孔）；n.钻头；训练；演戏发布：2024/5/23 20:38:36组卷：0引用：2难度：0.72553．Few people would question the value of taking part in sports for young people.With proper training，supervision，protective equipment and techniques，and a proper emphasis on winning，sports can develop a healthy body and spirit and a life-long interest in being active and fit.Without such measures，childhood sports can lead to injuries and even disabilities or death.
Even in the best conditions，no activity can be risk free.But most serious hazards are preventable.Cyclists and football players can reduce their risks by wearing helmets；hockey players by wearing masks；basketball and tennis players by wearing eye guards；baseball players by wearing batting helmets.
Besides，risks to individual players can often be found，and thus prevented，through a properly performed medical exam before a child plays.For accidents that may not be preventable，having an emergency plan and first aid equipment and someone trained to use the equipment can be lifesaving.
Still，each year，according to the American College of Sports Medicine，more than 775，000 children under 14 are treated in emergency rooms for sports injuries，nearly half of them preventable.An estimated 30000 athletes experience exercise-related head illnesses each year，and almost all of them should have been avoided.
Further，from half to three fourths of sports related concussions （脑震荡） are never even diagnosed；the injured are often sent back to play too soon and put at risk of another more serious brain damaging concussion.To help reduce these risks，the National Centre for Sports Safety，with the National Athletic Trainers Association，offers a three hour online safety course for coaches for ＄28 at www.SportsSafety.Org.
（1）Which of the following can best replace the underlined word "hazards" in Paragraph 2？
A．Mistakes.
B．Diseases.
C．Dangers.
D．Situations.
（2）What can be inferred from the passage？
A．Most head illnesses are related with exercise.
B．Children under 14 are more easily hurt in sports.
C．None of the head illnesses should have happened.
D．People do not pay enough attention to the prevention of injuries.
（3）What can coaches expect to learn from the online safety course？
A．How to deal with the injured properly.
B．How to cure brain damaging concussion.
C．How to tell whether an athlete suffers brain damaging concussion.
D．How to cut down the chances of the young athletes being injured.发布：2024/5/23 20:38:36组卷：9引用：2难度：0.52554．Treating the whole thing
a joke，my uncle ignored the importance of the matter.发布：2024/5/23 20:38:36组卷：3引用：2难度：0.72555．The problem is
we can get in touch with her.发布：2024/5/23 20:38:36组卷：2引用：1难度：0.82556．简再也不是十年前的那个样子了。
Jane is no longerten years ago.发布：2024/5/23 20:38:36组卷：1引用：1难度：0.72557．It was eleven years since
.
自从我大学毕业以来已经十一年了。发布：2024/5/23 20:38:36组卷：0引用：0难度：0.72558．Olympics，an extraordinary sporting event（1）
sportsmen from all over the world compete every four years，started around 3，000 years ago.Ancient Olympics welcomed only Greek men and disappeared around the year 393，（2）the modern Olympics first held in 1896 motivates people across the world to participate. "Faster，Higher，Stronger" is known（3）the motto of the Olympics，（4）（inspire） all the athletes to achieve sporting excellence and to push the boundaries of human achievement.Boxing championship winner Ali is a（5）（remark）example，so（6）（be）Jessica Ennis-hill and Liu Xiang.The secret of their good performance is talent as well as diligence.China appeals to the whole world to build（7）better future for our human beings by hosting the 2008 Beijing Olympics.The year 2022 will also witness another（8）（history） moment since Beijing has been elected to host the Winter Olympics.As the father of the modern Olympics，Coubertin's dream（9）the Olympic Games bring joy of living，faith in the future and ambition （10）（ascend）is bound to come true.发布：2024/5/23 20:38:36组卷：6引用：1难度：0.92559．Yesterday the conductor of the train agreed to transfer him to another fast train
（向南开）.发布：2024/5/23 20:38:36组卷：0引用：1难度：0.92560．It's quite common for a person who is c
in his job to get promoted.发布：2024/5/23 20:38:36组卷：4引用：2难度：0.7
