推下七节骨能温阳止泻。()
参考答案:错
My brother a test next month. He's revising for it now. [ ]
A. has
B. is having
C. is going to have
D. are having
北极地区( )
A.纬度很高,接近北极圈
B.北极圈横贯中部
C.几乎全在北极圈内
D.几乎全在北极点附近