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【单选题】
稀土与钍分离可采用( )。A.
草酸盐沉淀法
B.
六次甲基四胺沉淀法
C.
氟化物沉淀法
D.
氨水沉淀法
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皮皮学刷刷变学霸
举一反三
【单选题】我们日常所说的工作通常有三层含义:一是指()劳动,也泛指机器、工具受人操纵而发挥生产作用;二是指职业;三是指所从事的业务和承担的任务。
A.
从事体力
B.
从事脑力
C.
从事体力或脑力
D.
从事体力
【单选题】听力原文：W: So what are the two main times of the day that you watch TV? M: Well, a little around breakfast time and then it tends to be really late— eleven or even midnight—when I've finished work. W: An...
A.
Local news and children's programs.
B.
Children's programs and local service programs.
C.
Documentaries and news.
D.
Documentaries and movies.
【单选题】第六章44.根据《合同法》规定,违约责任的承担方式有( )
A.
继续履行、采取补救措施、提起诉讼
B.
继续履行、采取补救措施、提起仲裁
C.
继续履行、采取补救措施、补偿损失
D.
继续履行、采取补救措施、赔偿精神损害
【单选题】What is the main idea of the passage?
A.
Green bananas are very useful fruit.
B.
People living in small villages are usually very kind.
C.
People should go out to see the whole world very often.
D.
One should understand the world from different perspective.
【单选题】What is the main idea of the passage?
A.
Green bananas are very useful fruit.
B.
People living in small villages are usually very kind.
C.
People should go out to see the whole world very often.
D.
One should understand the world from different perspectiv
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