辅锅炉炉水磷酸根含量一般控制在()mg/L
A.40-30
B.20-40
C.40-50
D.30-50
参考答案:A
Although ________ about her fatness, she showed great confidence on the stage.
A.teasing
B.being teased
C.teased
D.to be teased
按利率的( ),可将利率分为官方利率、公定利率与市场利率。
A.表示方法
B.决定方式
C.制定
D.期限长短