穿过3级堤防工程，引水流量60m/s的水闸的级别为（）级。
A.1
B.2
C.3
D.4
参考答案：B
高血压病伴心动过缓|
A.美托洛尔
B.双氢克尿噻
C.心痛定
D.卡托普利
E.哌唑嗪
—What's your _____ name, please?
—Robert Thomas Brown. You can call me Robert. [ ]
A. family
B. given
C. first
D. full
