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问题 单项选择题

卧式镗床主参数代号是用( )折算值表示的。

A．机床的重量

B．工件的重量

C．主轴直径

D．加工最大棒料直径

答案

参考答案：C

解析：卧式镗床主参数代号是用主轴直径折算值表示的。

单项选择题

A 4-month-old infant is brought to the pediatrician by his parents because they’re concerned about his frequent respiratory infections, poor feeding habits, frequent vomiting, and colic. The physician notes that the baby has failed to gain expected weight and recommends that the baby have a sweat test performed to detect possible cystic fibrosis. To prepare the parents for the test, the nurse should explain that

A. the baby will need to fast before the test.
B. a sample of blood will be necessary.
C. a low-sodium diet is necessary for 24 hours before the test.
D. a low-intensity, painless electrical current is applied to the skin.
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选择题

在武昌起义中，湖北的立宪派首领曾经( )

A．积极配合革命党人发动武装起义

B．与清政府暗中联络反对革命

C．用和平方式取得军政府领导权

D．杀害革命党人取得军政府领导权
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