编组顺序表记事栏内标有“D”符号表示该车为()车辆。
A.剧毒品
B.腐蚀品
C.长大货物
D.液化气体
参考答案:A
With _______ successful launch of Tiangong-1, which was _______ breakthrough in this
field, China's space dream took a step closer to reality.[ ]
A. the; a
B. a; /
C. a; the
D. the; /,
居我国妇女恶性肿瘤首位的是()
A.乳腺癌
B.卵巢癌
C.宫颈癌
D.子宫癌
E.肺癌