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【单选题】
上图中的戒指所含有的主要元素是A.
金
B.
银
C.
铂
D.
钯
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参考解析：
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皮皮学刷刷变学霸
举一反三
【单选题】Li Ming asked Jenny _____ and said he wanted to see her the next week. [ ]
A.
where she lives
B.
where does she live
C.
where she lived
D.
where did she live
【单选题】有关原癌基因，下列描述中哪一项是错误的：
A.
是正常细胞的固有基因
B.
其编码产物对细胞的生长起抑制作用
C.
在正常细胞中以非激活的方式存在
D.
结构发生改变后可转化为癌基因
【简答题】Venture capitalism is based ___________ the interaction between entrepreneurs with more vision than funds, and investors with cash and an appetite ___________ risk. As such, it is a sector that doe...
【单选题】--Where is your teacher now, Jenny? -- My teacher ____________in the classroom.
A.
teach
B.
teaches
C.
teaching
D.
is teaching
【简答题】中国人民解放军的唯一宗旨是:紧紧地和人民站在一起, 。
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