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【单选题】
无论发生次数还是中毒人数,在我国占食物中毒总数第一位的是
A.
细菌性食物中毒
B.
有毒动、植物食物中毒
C.
化学性食物中毒
D.
霉变食物引起的食物中毒
E.
真菌引起的食物中毒
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参考答案:
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】In the sentence 'Since the end of World War II, technological advances in medicine and health have required nurses to become knowledgeable about sophisticated equipment.', here 'sophisticated' can be ...
A.
easy
B.
advanced
C.
complex
D.
modern
【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
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