【单选题】When are windows the weak link in a building?
C.
When air conditioners are turned on.
【简答题】二分子乳酸异生成一分子葡萄糖消耗()分子ATP,而二分子丙酮酸异生成一分子葡萄糖除需消耗()分子ATP,还需要消耗()分子()供氢。
【简答题】交通运输业,指利用运输工具专门从事 ____ 服务的企业或直接为____服务的企业。
【单选题】When are windows the weak link in a building?
C.
When air conditioners are turned on