能引起菊粉清除率降低的疾病有()。
A.心力衰竭
B.慢性肾炎
C.急性肾炎
D.膀胱炎
E. * * 炎
参考答案:A, B, C
As far as I am concerned, our unbeatable school team _________ the important game.
A.is worthy of being won
B.is worth its while to be winning
C.deserves to win
D.promises to lose
随着生态演替的发展,正相互作用增加负相互作用减少。