薄压缩层地基指的是基底下可压缩土层的厚度H与基底宽度b的关系满足（）。
A.H<=0.3b
B.H<=0.5b
C.H<=b
D.H>=b
参考答案：B
Young students are ______ not to smoke both in and out school. [ ]
A. suggested
B. requested
C. hoped
D. invited
下列卵巢癌的CT表现中不正确的是（）.
A.盆腔肿块
B.可见腹水
C.大网膜转移
D.腹膜腔播散
E.淋巴转移和血行播散也较常见
