When we were young, every evening my sis_爱下问搜题

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问题选择题

When we were young, every evening my sister and I _____ stay at home doing homework. [ ]

A. would

B. might

C. should

D. could

答案

答案：A

选择题

若抛物线x²=2py（p＞0）的焦点在圆x²+y²+2x-1=0上，则抛物线的准线方程为[ ]

A.y=-1

B.y=1

C.x=-1

D.x=1

多项选择题

下列属咽旁脓肿并发症的是（）。

A.咽后脓肿

B.纵隔炎

C.血栓性静脉炎

D.脓毒血症

E.大出血