圈梁在门窗上部通过时,可兼起过梁作用。
参考答案:对
一个长方形,它的周长是32米,长是宽的3倍。这个长方形的面积是多少平方米( )
A.64
B.56
C.52
D.48
The doctor from Shanghai recommended that the patient ___________.
A.is not operated
B.should operate on
C.not be operated on
D.was not operated