具有中枢降压作用的药物是
A.肼屈嗪
B.胍乙啶
C.二氮嗪
D.利舍平
E.可乐定
参考答案:E
10,000 dollars is a lot of money,but it is still ______than we need for a new school.
A.very few
B.very little
C.far fewer
D.far less
开工前,施工员向班组进行交底的内容有()
A.计划交底
B.操作工艺交底
C.安全生产交底
D.工程质量交底
E.劳动报酬交底