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问题 单项选择题

在采用（）时，被镗孔的直线度完全取决于机床工作台导轨的精度，所以被镗孔的直线度大为提高。

A.主轴进给镗削法

B.主轴箱进给镗削法

C.工作台进给镗削法

D.花盘滑板进给镗削法

答案

参考答案：C

阅读理解

There are fifty students in our class. There are twenty-four boys and twenty-six girls. Some students live near the school, and some others live far from school. About half of the students usually come to school by bike. They often get to school at a quarter to seven. About fifteen students often come to school by bus. They often get to school very early, too. Another ten students come to school on foot. Their homes are near the school, but they are often late for school, because they get up late.

小题1:________ live near the school.

A．Some of the students

B．Half of the students

C．No students

D．All the students小题2: ________ students come to school by bike.

A．Twenty-five

B．Twenty-four

C．Twenty-three

D．Fifty小题3:Ten of the students ________.

A．come to school by bike

B．come to school late

C．come to school very early

D．live in the school小题4: Some students get to school by bike at _______.

A．7:35

B．7:30

C．6:45

D．6:30小题5:________ students come to school on foot.

A．Thirty

B．Twenty

C．Thirty-eight

D．Ten
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单项选择题 案例分析题

27岁经产妇，妊娠37周，今晨起床时发现 * * 流血，量中等，无明显腹痛，无明显宫缩，于上午9时来院就诊

处理时与本例无直接关系的项目是（）

A.扩张宫颈

B.给予子宫收缩药

C.人工破膜

D.产钳助娩

E.剖宫产
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