要求积载时予以遮蔽使其不受辐射热的物质的危险货物,在舱内积载时须()热源。
A.远离
B.隔离
C.用一整个舱室或货舱隔离
D.用介于中间整个舱室或货舱作纵向隔离
参考答案:A
我国冬季最冷的地方是[ ]
A.黑龙江的漠河
B.北京
C.上海
D.广州
His sister ______ have a volleyball. She ______ a basketball. [ ]
A. don't, have
B. don't, has
C. doesn't, have
D. doesn't, has