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【单选题】
波氏法测定血清尿素,其产物颜色为( )A.
红色
B.
棕黄色
C.
蓝色
D.
紫色
E.
绿色
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皮皮学刷刷变学霸
举一反三
【单选题】Why did the farmer insist on giving the doctor one pound?
A.
He was thankful that the doctor cured him.
B.
The doctor never accepted money from a poor patient.
C.
The doctor thought it unfair to accept the money since he had done nothing.
D.
He insisted that it was his second visit to the doctor.
【简答题】YZ100型振动压路机中,液压系统包括三个方面,即液压驱动行走系统、液压驱动振动系统及液压转向系统,请绘制液压系统图,并完成液压系统工作情况的说明。
【单选题】Why are the farmer very happy in autumn?
A.
The good harvest
B.
The flowers.
C.
The interesting sports.
D.
The seafood.
【简答题】Why did the farmer decide to see a doctor in the nearest town? Because his own doctor failed to ______ him.
【单选题】Why was the doctor surprised when the farmer said 'Here Fm again'?
A.
He did not expect that the farmer would come.
B.
He had never seen the farmer before.
C.
He seldom had patients from the countryside.
D.
Tile farmer was seriously ill.
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