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【单选题】
如图,对于形成简单低共熔混合物的二元相图,当物系点分别处于C、E、G点时,对应的平衡共存的为(    )。
A.
C点1,E点1,G点1
B.
C点2,E点3,G点1
C.
C点1,E点3,G点3
D.
C点2,E点3,G点3
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举一反三
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Sarah, who likes reading and writing.
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A.
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B.
错误
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A.
After six months.
B.
At the age of 2.
C.
By the age of 4.
D.
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A.
生产观念
B.
市场营销观
C.
推销观念
D.
产品观念
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John, who majors in History. prefix="o" ns="urn:schemas-microsoft-com:office:office" ?xml:namespace>
B.
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A.
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B.
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A.
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坚毅性
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A.
海洋地震勘探技术
B.
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C.
海洋油气资源开采技术
D.
海洋声波勘探技术
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A.
A.“百花齐放,百家争鸣”的方针
B.
“鼓足干劲、力争上游、多快好省地建设社会主义”的总路线
C.
C.“调整、巩固、充实、提高”的方针
D.
D.“调整、改革、整顿、提高”的方针
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