想:先算6加7得____;再把30和____合起来,得____.
(先填 ,再从左到右填写括号)
①体温下降 ②机体耗氧量降低 ③皮肤血管收缩 ④体温调节中枢兴奋性增强 ⑤甲状腺激素分泌量增加.
— What's it in the bottle?
— It is full of water.