【单选题】在白细胞中数量最少,能合成组胺和肝素的是
【单选题】What did the workers do when they found the third floor leaned northwards? 查看材料
A.
They thought it would not cause trouble and continued their work.
B.
They made the structure of the third story towards the north taller.
C.
They demolished the tower and rebuilt it from the beginning.
D.
They asked help from experts and successfully stopped the leaning.
【简答题】What did the author realize when she found that the driver couldn't understand her?
【简答题】党的十九大明确提出,我国社会主要矛盾已经转化为人民日益增长的美好生活需要和不平衡不充分的发展之间的矛盾。请简要分析对社会主要矛盾转化的判断主要依据。
【单选题】When was graphite first found?