试题详情

They do not provide energy,nor do they construct or build any part of the body.They are needed for（ ）foods into energy and body maintenance.There are thirteen or more of them,and if any is missing a deficiency disease becomes apparent.

transform“改变，改造，转变”，常和into连用。通常指深刻的改变。根据上下文，将food转变为energy，显然是原来的物质起了本质的改变，故选[D]。[A]shift“转移，移动”，不与into搭配使用。[B]transfer“转移，传输，调动”，常与from…to…或to连用。[C]alter“改变，变化”，也不与into连用。