地塞米松又称
A.氟美松B.泼尼松C.可的松D.氟轻松E.泼尼松龙
参考答案:A
脱式计算.
3600÷(20-5)
(450+27)÷(21-18)
86.7-(14.3-3.8)
(84-7×12)÷138.
Look! ______ Some fish on the table, and some apples ______ in the box. [ ]
A. is; are
B. are; is
C. are; are
D. is; is