距骨骨折易引起()
A.骨的缺血性坏死
B.血管损伤
C.神经损伤
D.骨的延迟愈合
E.骨筋膜室综合征
参考答案:A
图是制作洋葱鳞片叶表皮细胞临时装片的步骤图,据图回答下列问题
(1)正确的实验操作顺序是______.
(2)图F的操作目的是______.
(3)图D和图G所滴的液体分别是______和______.
(4)图C撕取的是洋葱鳞片叶的______表皮.(填内或外)
(5)在显微镜下观察洋葱鳞片叶表皮细胞时,颜色最深的是细胞内的______部分,看不清楚的是细胞结构的______部分.
Could you tell us ______________in the newspaper?
A. that there is something new B. if there is anything new
C. if there had something new