"What are you doing" "I'm talking to my father ______ the phone."
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对牙体长轴应解释为
A. 通过牙体中心的一条假想轴
B. 通过牙冠与牙根中心的一条假想轴
C. 通过牙冠中心的1条假想轴
D. 通过牙根中心的1条假想轴
E. 贯穿冠、根的1条假想轴
German businesses hope ______ .
A. the government will allow more teleshopping
B. more channels will open for business
C. the new teleshopping will help them sell more things
建设工程项目管理的核心是( )的项目管理。
A. 设计方
B. 监理方
C. 业主方
D. 承包方
You don't draw so ______ as your brother.
A. good
B. better
C. well