The human growth hormone, made by the pituitary gland, is secreted during sleep in higher concentrations than when awake. (a) during sleep in higher concentrations than when awake. (b) when sleeping in higher concentrations than waking hours. (c) in higher concentrations during sleeping than waking. (d) in higher concentrations during sleep than during waking hours. (e) in higher concentrations when asleep than when awake. 答案选 D 可是我没有相通为什么。。sleep这里是名词 waking 是动名词的形式 原则上是不匹配的 而E我觉得asleep 和awake 都是形容词 when 可以接吗? 各位TX大家讨论下吧 小m新来的.贡献一道语法小菜先 嘿嘿 |