A．气体的内能增大
B．气体对外界做功
C．气体的压强增大
D．气体分子的平均动能减少
BD
—________?
—She is very friendly and lovely. [ ]
A. What does your teacher look like
B. What is your teacher like
C. Where is your teacher
D. How does your teacher like
3个月婴儿，母乳喂养，生后大便每日5~6次，为黄色稀便，无特殊臭味，经治疗无好转，体重6千克，精神活泼，大便常规检查阳性，哪种疾病可能性大：（）
A.慢性痢疾
B.生理性腹泻
C.迁延性腹泻
D.真菌性腹泻
E.肠结核
