我国的《公路沥青路面再生技术规范》建议水泥等活性填料一般不超过()
A.1%
B.1.5%
C.2%
D.2.5%
参考答案:B
If you follow a diet expert’s advice, eating more can mean losing _____weight rather than less.
A.heavier
B.lower
C.lighter
D.more
苯巴比妥不具有下列哪项作用( )。
A.镇静
B.催眠
C.镇痛
D.抗惊厥
E.抗癫痫