沥青路面上面层混合料级配中()的含量必须严格控制在规定的允许范围内
A.≥2.36mm
B.≤2.36mm
C.≥4.75mm
D.≤4.75mm
参考答案:B, C
—You just think of yourself! You kept me wailing for at least three hours.
—I' m sorry that you _____________ think so.
A.would
B.should
C.could
D.might
泵的扬程