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问题 多项选择题

已知A、B、C的绝对高程分别为250.000m、290.000m、520.000m，如果B点在某假定高程系统中的相对高程为200.000m，则下列说法中的（）是正确的。

A.A点的相对高程是300.000m

B.A点的相对高程是160.000m

C.C点的相对高程是610.000m

D.C点的相对高程是430.000m

E.A-C的高差是270.000m

答案

参考答案：C, D

单项选择题

A production process has been defined as part of an industrial equipment manufacturing project. The process is intended to produce steel bolts with a length of 20cm. The control limits are 19.955cm and 20.045cm. The measurements made at the end of the process yielded the following results: 20.033cm, 19.982cm, 19.995cm, 20.006cm, 19.970cm, 19.968cm, 19.963cm, 19.958cm, 19.962cm, 19.979cm, 19.959cm. What should be done ？（）

A．The process is tinder contr01. It should not be adjusted.

B．A special cause should be investigated, the process should be adjusted.

C．The control limits should be adjusted.

D．The measuring equipment should be recalibrated.
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单项选择题

小叶性肺炎属于何种炎症

A．化脓性炎
B．浆液性炎
C．纤维素性炎
D．出血性炎
E．卡他性炎
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