浅慢-深快-浅慢-暂停周期性变化的呼吸是( )
A.Kussmaul呼吸
B.潮式呼吸
C.抑制性呼吸
D.间停呼吸
E.叹息样呼吸
参考答案:B
—Where _____ my football?
—It is under the chair. [ ]
A. is
B. are
C. be
D. am
树木栽植