起吊物料时,物料底面与地板间距应不小于()mm。
A.100
B.200
C.300
D.400
参考答案:C
When asked about their opinions about the schoolmaster, many teachers would prefer to see him step
aside ________ younger men.[ ]
A. in terms of
B. in need of
C. in favour of
D. in praise of
肾上腺皮质腺瘤的描述哪一项是正确的:
A.多为双侧
B.直径较小,1cm——2cm 多见
C.肿瘤形态常不规则
D.肿瘤多呈强回声
E.边界不清