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【单选题】
关于化学品的使用、管理,下列说法哪个是错的?
A.
打开塑料瓶的化学品时不要过于用力挤压,否则可能导致液体溢出或迸溅到身体上
B.
有机溶剂可以置于普通冰箱保存
C.
分清标签,认真阅读标签,按标签使用
D.
共用化学品从专用柜里取出,使用时注意保持标签的完整,用后放回专用柜
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【简答题】Living in Berlin during the _______________ when the Berlin Wall was torn down was an unforgettable experience. (ysis, available, contract, economy, factor indicates, legal, period, research, simi...
【简答题】It was the time of surging anti-Semitism in Berlin, and when the company his Jewish origin , it his .
【单选题】Living in Berlin during the _______________ when the Berlin Wall was torn down was an unforgettable experience.
A.
选择2available
B.
选择3contract
C.
选择4economy
D.
选择5factor
E.
选择6indicates
F.
选择7legal
G.
选择8period
H.
选择9research
I.
选择10similar
【简答题】When President Kennedy spoke in Berlin from behalf of the American people, he was received with a show of enormous enthusiasm.
【单选题】— What’s happened to my library books? — ____ .
A.
I’ve no idea
B.
You borrowed them from the library
C.
You bought them yesterday
D.
They’re about wild animals
【单选题】When was the Berlin Wall finally destroyed?
A.
In 1986
B.
In 1987
C.
In 1988
D.
In 1989
【判断题】PLC的输出线圈可以放在梯形图逻辑行的中间任意位置。
A.
正确
B.
错误
【单选题】血气分析测定PaCO2降低,HCO3~升高,可诊断为:( )
A.
呼吸性酸中毒合并代谢性酸中毒
B.
呼吸性酸中毒合并代谢性碱中毒
C.
呼吸性碱中毒合并代谢性碱中毒
D.
呼吸性碱中毒合并代谢性酸中毒
E.
代谢性酸中毒合并代谢性碱中毒
【单选题】—______? —Mary broke the glass . [     ]
A.
What happened
B.
How is it going
C.
Who's it by
D.
What are you doing
【单选题】血气分析测定PaCO2升高,HCO3~降低,可诊断为:( )
A.
呼吸性酸中毒合并代谢性酸中毒
B.
呼吸性酸中毒合并代谢性碱中毒
C.
呼吸性碱中毒合并代谢性碱中毒
D.
呼吸性碱中毒合并代谢性酸中毒
E.
代谢性酸中毒合并代谢性碱中毒
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