What was the reason for Obasanjo to have kept reporters waiting so long?
A.His plane was late.
B.The talks at the table were very long.
C.He is not very often punctual since he is the Nigerian President.
D.The reporters were too early because they would not like to miss anything.
第1题
分析天平调零后,加10mg环码,开启天平,若尺影在光屏移动100分度(小格),天平的灵敏度为()
A.1分度/mg
B.5分度/mg
C.10分度/mg
D.15分度/mg
第3题
第4题
在天平上加10mg的砝码,天平偏转8.0格,此天平的分度值是()。
A.0.00125g
B.0.8mg
C.0.08g
D.0.01g
第5题
在天平盘上加10mg的砝码,天平偏转8.0格,此天平的分度值是()。
A、1.25mg
B、0.8mg
C、0.08mg
D、0.1mg
E、0.25mg
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