圈梁的高度一般不小于（），通常与砖的皮数尺寸相配合。
A.120mm
B.240mm
C.180mm
D.60mm
参考答案：A
超市运进大米425千克，卖了300千克，又运来420千克，现在超市有大米多少千克？
—Your mother becomes more and more forgetful.
—Yes. She searched for her cellphone for a whole day last Sunday but it ___ in her coat pocket the next day.
A．turned out
B．turned on
C．turned over
D．turned up
