— Do you know ________ a computer is? — Yes.[ ]
A. when
B. who
C. what
D. what time
答案:C
Kingdom of Wonders, ________ in 1995 in Fremont, Calif., became an industry legend for two toys: a talking bear and a ray-gun game.
A.find
B.found
C.founded
D.founding
人体组织的自然对比,密度由高至低排列,下述哪组正确?()
A.骨骼-脂肪、软组织-体液-气体
B.骨骼-脂肪、体液-软组织-气体
C.骨骼-体液、软组织-气体-脂肪
D.骨骼-体液、脂肪-软组织-气体
E.骨骼-软组织、体液-脂肪-气体