环境承载力原理对城市发展建设的影响主要体现在()方面上。
A.稳定
B.规模
C.强度
D.速度
参考答案:B, C, D
Shelly had prepared carefully for her driving test so that she could pass it at her first______. [ ]
A. attempt
B. intention
C. desire
D. purpose
正常人腹部基本叩诊音呈()
A.清音
B.鼓音
C.浊音
D.实音
E.过清音