在现场质量管理活动中，改进质量的重点是（）。

Jim is from New York(纽约). His home is near the school. So he often goes to school by bike. Every day it takes him about fifteen minutes to get there. He always gets to school on time(准时).

Mary is a student of a middle school in Tokyo（东京）. The school is far from her home. Every day she has to go to school by subway. It takes her about forty minutes, she often gets up very early because she doesn’t want to be late for school. She is a good student.

Jenny’s home is in London. It is far from her school. She usually goes to school by bus. This kind of bus has two floors. It takes her an hour every day. She must get up very early every morning. She often gets there early.

Tom is a student of a middle school in Iceland（冰岛）. There is snow all year around. So he usually goes to school by sledge（雪橇）. It takes about twenty minutes to get there. He is sometimes late for school.

小题1:How does Jenny go to school every day?

A．By bike.

B．By bus.

C．By subway.

D．By car.小题2:Sometimes ______ is late for school?

A．John

B．Mary

C．Jenny

D．Tom小题3:Why does Tom usually go to school by sledge?

A．Because his home is near the school.

B．Because there is no bus in Iceland.

C．Because there is snow all year round in Iceland.

D．Because he can’t ride a bike.小题4:The text（文章）tells us ______

A．how students can get to school on time.

B．how students in other countries（其它国家）go to school.

C．students should get up early.

D．students should study hard.

尿血红蛋白阳性

A．代谢性疾病

B．创伤

C．阵发性血红蛋白尿及引起血尿的疾病

D．微血管性溶血性贫血

E．应用阿司匹林

对于子宫颈癌，下述哪项说法是错误的：

A．Ⅱa期，三合诊无明显宫旁浸润

B．原位癌在临床分期上属于0期

C．Ⅱb期通常行放射治疗

D．宫颈刮片报告巴氏Ⅲ级时，应进一步活检

E．宫颈刮片细胞学检查在原位癌与浸润癌之间有很大差别

从政府制定政策的角度，提出解决给定资料所反映问题的对策建议。要求：有针对性，有条理，切实可行。字数不超过350字。

若X服从正态分布N（μ，σ），则下列统计量中服从标准正态分布的是（）

A.X-μσX

B.X-μσ

C.X-μX

D.X-μS

E.X-μSX