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【判断题】
( 2 )百分数与分数的意义完全相同。( )A.
正确
B.
错误
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反馈参考答案：
举一反三
【简答题】Going on holiday not only makes you feel good while you’re there, you also gain the health benefits for months, new research shows． Jetting off to destinations such as the Maldives cuts your blood pre...
【简答题】It can be learnt from the passage that the health benefits of exercise ________. A) are yet to be proved B) are to be further studied C) are self-evident D) are supported by scientific evidence
【单选题】发动机在高转速时,气缸内燃烧过程所占的曲轴转角较大,且活塞、轴瓦等运动副的机械磨损损失( ),此时发动机( )产生最大转矩。
A.
增加，不能
B.
减少，不能
C.
减少，能
D.
增加，能
【简答题】Putting in water fountains(饮水器) at schools, and teaching children about the health benefits of water, could reduce their risk of getting extra pounds, reports a new study that is published in the late...
【单选题】It can be learnt from the passage that the health benefits of exercise. ( )
A.
are yet to be proved
B.
are to be further studied
C.
are supported by scientific evidence
D.
are self-evident
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