Ever noticed how you seem to take longer to get over an illness if you take

游客2024-08-07 10

问题    Ever noticed how you seem to take longer to get over an illness if you take into 【M1】______
your bed for a few days instead of struggling on? The reason, according to the
leading American health magazine the Prevention, is that a whole range of bodily    【M2】______
functions begin to weak after as short a time as one day in bed. Muscle tissue    【M3】______
starts to break down, rob the booty of important minerals and leading to substantial 【M4】______
weakness in just a few days: bones start to break down and lose calciums: the body 【M5】______
is able to use food efficiently: heart and blood vessels get weak after a couple    【M6】______
of days, which can lead to rise in pulse rate and a drop in blood volume: joint    【M7】______
stiffness and constipation are also common. "Prolonged bed rest is not to be       【M8】______
taken light," says Dr Benjamin Natelson, professor of neurosciences at New          【M9】______
Jersey Medical School. And that’s why doctors these days make every effort to
getting patients up and moving as soon as possible after heart attacks and          【M10】______
operations. [br] 【M3】

选项

答案 weak→weaken

解析 (begin后面接动词不定式，这里应是weak的动词形式weaken。)

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