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【单选题】
Java 语言中,集合类都位于哪个
A.
java.util
B.
java.lang
C.
java.array
D.
java.collections
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举一反三
【单选题】当采集的SO2样品中有浑浊物时,应采用 的方法除去 。
A.
过滤
B.
离心分离
C.
沉淀
D.
其它
【单选题】Since the medicine had no ________ on him, he had to go to see another doctor the next day.A.res
A.
37. Since the medicine had no ________ on him, he had to go to see another doctor the next day. A.result
B.
work
C.
effort
D.
effect
【单选题】当采集的SO 2 样品中有浑浊物时,应采用(    )的方法除去。
A.
沉淀    
B.
离心    
C.
过滤    
D.
结晶
【单选题】Since you are ill, you'd better take some ______. [     ]
A.
temperature
B.
pill
C.
rest
D.
medicine
【单选题】当采集的 SO2 样品中有浑浊物时,应采用 ( )。
A.
沉淀
B.
离心
C.
过滤
D.
结晶
【单选题】Ever since it was claimed that a medicine made from the Chinese three-striped box turtle could cure cancer, demand for the product has increased, making the turtle the most expensive to be found in Ch...
A.
rare
B.
the most expensive in food markets
C.
imported into China
D.
used to cure certain diseases
【简答题】当采集的SO 2 样品中有浑浊物时,应采用()的方法除去。
【单选题】当采集的SO2样品中有浑浊物时,应采用 的方法除去。
A.
过滤
B.
离心分离
C.
沉淀
D.
其他
【单选题】实现我们的发展目标,不仅要在物质上强大起来,而且要在()上强大起来。
A.
精神
B.
情趣
C.
生活
D.
品格
【单选题】下列颜料中不属于矿物质颜料的是?
A.
赭石
B.
朱磦
C.
石青
D.
花青
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