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【判断题】
灌溉水采样时,对于宽度小于30m的一般河流,可在靠近岸边方便采样的位置设置1个采样点。A.
正确
B.
错误
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皮皮学刷刷变学霸
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【简答题】试分析图示电路的逻辑功能
【单选题】According to the passage, what did the space probes do?
A.
Created abnormal conditions on the planets.
B.
Confirmed the space artists' work.
C.
Produced new occupations for artists.
D.
Promoted interest in outer space.
【单选题】听力原文： Scientists say they can tell what air and sea conditions were like hundreds of thousands of years ago. They say pieces of ice taken from Greenland provide such information. Scientists took the i...
A.
oxygen.
B.
ancient weather.
C.
carbon dioxide.
D.
temperature.
【单选题】Algae under normal conditions in rivers ______ .
A.
consume the available nutrients
B.
make the oxygen balance
C.
force other organisms out of rivers
D.
overgrow and die
【简答题】教材P98第7题 辅助生产费用的分配-直接分配法 课后作业2-辅助生产费用的分配(直接分配法).doc
【多选题】关于崩解时限正确的为( )
A.
口服普通片各片均应在15min内全部崩解
B.
口服糖衣片各片均应在1h内全部崩解
C.
薄膜衣片各片均应在1h内全部崩解
D.
硬胶囊剂各粒均应在1h内全部崩解
E.
滴丸剂各粒均应在30min内全部崩解
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