维生素C缺乏时可患()
A.坏血病
B.败血症
C.白血病
D.痛风
E.贫血症
参考答案:A
Your anger suggests that you are seriously ________ the woman, and you need to find out why.[ ]
A. put up with
B. fed up with
C. kept up with
D. came up with
重力坝坝顶上游常设置防浪墙,以降低坝体的高度,墙身采用与坝体连成整体的钢筋混凝土结构,并应有足够的厚度以抵挡波浪及漂浮物的冲击的坝顶构造是( )。
A.溢流坝段
B.非溢流坝段
C.空腹重力坝段
D.宽缝重力坝