（）是判断机体热平衡是否受到破坏的最直接指标。
参考答案：体温
—Who will teach you to speak English?
—The twins. _____ Lucy _____ Lily speak English very well. [ ]
A. Either; or
B. Both; and
C. Neither; nor
D. Not only; but also
浓蜂王浆
