对抗水钠潴留作用最强的激素是（）
A.氢化可的松
B.去氧皮质酮
C.地塞米松
D.氟轻松
E.促皮质激素
参考答案：B
In spring, a lot of young trees _______ in our city.
A. are planted
B. plant
C. has been planted
说明引进型300MW机组内缸左、右法兰的用途及测点位置。
