管径在()以上的沟槽回填土工程量应扣除其所占的体积。
A.380mm
B.450mm
C.500mm
D.530mm
参考答案:C
----- The tomato juice left a brown ______ on the front of your coat.
----- No matter . Cloth of this kind ________ easily .
A.point ; washes
B.spot ; washes
C.point ;is washed
D.spot ; is washed
___________是智力的核心,是形成各种语文能力的关键。