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By taking more rest. By eating less. By exercising a little bit. By saving more money.
It starts on March 15. It occurs every fourth year. It is known as "March Madness". It lasts through the beginning of April.
应当选择适宜水域 确定救生员 采取相应安全保护措施 在充分了解和掌握水域各方面情况下进行第三篇各类火灾扑救
新船 改装或改建后吨位有变更的现有船舶 改变用途后吨位有变更的现有船舶 船舶所有人要求进行吨位丈量的现有船舶
$790,000 per year. $7.1 million per year. $3,000 per year. $7,300 per year.
Seventy percent. Thirty percent. Forty-five percent. Twenty-five percent.
be done in a group. be done on a daily basis. involve great difficulty. increase the heart rate.
looking at wives kissing their husbands. listening to students talking to their teachers betting on the winners of each game. watching farmers kicking donkeys.
火箭发射时的情景 打捞仪器仓的情景 火箭准确落入预定海域的情景 火箭沿着预定轨道飞行的情景
only smart people do exercise. exercise can be smart or stupid. exercise keeps the brain strong. it is fashionable to do exercise.
By taking more rest． By eating less． By exercising a little bit． By saving more money．
At least seven days a week At least twenty minutes a week At least twice a week At least once a week
generate new blood vessels. change the way a person thinks. promote brain development. divert one’s attention.
Seventy percent． Thirty percent Forty-five percent Twenty—five percent．
At least seven days a week. At least twenty minutes a week. At least twice a week. At least once a week.
The employees of normal weight． The overweight employees The obese employees． The sedentary obese employees
The employees of normal weight. The overweight employees. The obese employees. The sedentary obese employees.
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