【简答题】血细胞制剂包括:红细胞、( )和血小板。
【单选题】在出行选择交通工具时,我可以选择火车,也可以选择飞机,也能选择汽车。这体现了旅游交通的什么特点。
【单选题】What caused people in the scientific community to start to think about black holes in a new way? (Text 7A)
A.
Albert Einstein presented his theory of relativity.
B.
New telescopes began to be widely used.
C.
Astronauts in the 1960s brought back new information.
D.
Advances in physics proved black holes existed.
【单选题】与附子"补阳助火"功效有关的药理作用是( )
【简答题】有一线性表的顺序表示 (a 1 ,a 2 ,... ,a n ) ,设计一算法将该线性表逆置成逆线性表(a n ,a n-1 ,... ,a 1 ),要求用最少的辅助空间。
【单选题】What caused people in the scientific community to start to think about black holes in a new way?
A.
Albert Einstein presented his theory of relativity. .
B.
New telescopes began to be widely used.
C.
Astronauts in the 1960s brought back new information.
D.
Advances in physics proved black holes existed.
【单选题】八分书笔画有波势,撇和捺像“八”字一样左右分开,它指的是哪种字体?()