问题
单项选择题
如果现场压力变送器的量程为1MPa,现场显示25%,则该变送器测得压力为()
A、1MPa
B、0.5MPa
C、0.25MPa
D、0.75MPa
答案
参考答案:C
如果现场压力变送器的量程为1MPa,现场显示25%,则该变送器测得压力为()
A、1MPa
B、0.5MPa
C、0.25MPa
D、0.75MPa
参考答案:C
![]() YoYo Ma was born in 1955 to Chinese parents living in Paris. He began to study the cello with his father at four. A year later, when he was 36 years old, he gave his first concert. The family soon moved to New York, America. Later he joined Julliard School, a school 37 gifted musicians. He went to Harvard University to study music and graduated in 1976. YoYo soon became famous for his concerts. He always tries to play the cello with music from different countries like Brazil and China. He wrote 38 for the film Crouching Tiger, Hidden Dragon. It sounds brilliant. YoYo is sometimes forgetful. He once 39 his cello in a taxi in New York. He was really 40 because it’s worth US $2,000,000.The taxi driver took it to a police station. YoYo was very thankful.
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