露天()堆垛着火后,易形成堆垛内外一起燃烧。
(A)金属
(B)棉花
(C)原油
(D)粮食
参考答案:B
—There is no drink in the fridge. Will you go and some for the party, Mary?
—OK, Mum. [ ]
A. take
B. get
C. carry
D. bring
共济失调呼吸的损害水平
A.间脑
B.中脑
C.桥脑
D.延髓
E.脊髓