良好的名誉首先取决于个人的[ ]
A、地位身份
B、良好表现
C、学历
D、学业成绩
答案:B
克隆羊多利的遗传物质主要来自( )
A.供卵细胞母羊
B.受孕母羊
C.供核母羊
D.无核卵细胞
A new hotel()in the center of town at the moment
A.has been built
B.is built
C.was built
D.is being built