用回弹仪检测混凝土强度,计算测区平均回弹值时,应从测区的16个回弹值中剔除最大值和最小值各______个。
A.1 B.2 C.3 D.4
参考答案:C
There are altogether fifty-four students in our class, _____ is a new comer from a faraway
mountain village.
A.the most diligent of who
B.but the most diligent of whom
C.the most diligent of them
D.of whom the most diligent
“重本抑末”的基本理论形成于以下哪个时期?()
A.春秋战国
B.秦朝
C.西汉
D.三国