Her mother often _______ her to the park. [ ]
A. take
B. takes
C. bring
D. brings
B
Yesterday, she _____________ to school. [ ]
A. walk
B. walking
C. walked
属于ARDS初期表现的是()
A.呼吸加快
B.呼吸窘迫感
C.肺无啰音
D.胸部X光片见网状阴影
E.动脉血氧分压下降