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【单选题】
下列哪种误差属于操作误差A.
加错试剂
B.
记录错误
C.
看错砝码
D.
操作者对终点颜色的变化辨别不够敏锐
E.
读错刻度
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反馈参考答案：
举一反三
【单选题】– What did he say just now? ––He asked me ________ in Jinhua.
A.
when did the Trade Fair open
B.
when the Trade Fair open
C.
when the Trade Fair opened
D.
when does the Trade Fair open
【单选题】Since when did the developing countries become more and more important in global trade?
A.
1950s
B.
1960s
C.
1970s
D.
1980s
【单选题】How did Christopher Columbus discover the Americas?
A.
He was commissioned by the King and Queen of Spain to find an alternative trade rout to India.
B.
He was commissioned by the Italian King to locate suitable lands for new colonies.
C.
He was commissioned by the British to establish a new tea trade route with India.
D.
He was evading pirates as he navigated the Atlantic when he accidentally discovered the West Indies.
【单选题】When Katniss began gathering food, where did she begin to trade her supplies? Her father’s connections at this place helped her to trade easily.
A.
The mayor’s office
B.
The Capitol
C.
The meadow
D.
The Hob
【单选题】When did the man start to study art?
A.
When he was in high school.
B.
After he went to a trade school.
C.
After he became a junior in college.
D.
After he became a senior in college.
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