不属于一个好的关键项的特征()。 A.可获得性 B.纯粹性 C.可变性

题型:单项选择题

问题:

不属于一个好的关键项的特征()。

A.可获得性

B.纯粹性

C.可变性

考点:信息技术系统性应用地理信息系统(GIS)地理信息系统(GIS)题库
题型:单项选择题

阅读理解。

Dear Amy,

     Is there any way I can get my mum to drive to school? She says walking is good exercise. My friend

Ann lives closer to the school, but her mum drives her to school. She is there in two or three minutes! Going

by car is the fastest way. She doesn't get wet if it is mining either. It takes me about ten minutes to walk to

school. If it rains, I'll get wet. It isn't fair} What shall I do?

                                                                                                                                        Mary

Dear Mary,

     I think you want me to feel sorry for you! But I don't feel sorry for you. I think you just want a few

more minutes in bed in the morning. Walking is good exercise! Lots of people don't get enough exercise,

so I think it is probably a good, idea for you to walk. You are going to school in the healthiest way. You

may not be the closest to the school, but you are close. A ten-minute walk to school each day will help to

keep you fit. Maybe you need an umbrella for wet days? I'm sure your mother has made sure you have a

good coat and. boots (雨靴) for wet days. Maybe you just don't want to use them because they are not in?

Try to think positively (积极地) about the walk! 

                                                                                                                                              Amy

1. In the first letter, Mary _________.

A. gives warnings

B. gives advice

C. asks for advice

D. expresses thanks

2. What will probably happen to Mary on wet days?

A. She'll get wet.

B. She'll go to school in her mother's car.

C. She'll get sick.

D. She'll drive to school.

3. How long does it take Mary to school?

A. 2 or 3 minutes' walk.

B. 10 minutes' walk.

C. 2 or 3 minutes' drive.

D. 10 minutes' drive

4. What does Amy tell Mary to do?

A. Have a talk with her mother.

B. Do a lot of exercise instead of walking every day.

C. Ask Ann and her mother for help.

D. Take the way of walking to school as it is good exercise.

5. What does "in" mean?

A. New.

B. Fashionable.

C. Tidy.

D. Traditional.

题型:单项选择题

小叶中心型肺气肿的典型CT表现是()

A.肺内散在分布的小圆形、无壁的低密度区

B.肺低密度区分布以下肺、前部肺实质明显

C.广泛肺大疱形成

D.胸膜下多发小透亮低密度灶

E.蜂窝样改变

题型:单项选择题

银行从事小企业授信工作时,应注重收集小企业的非财务信息包括()。

A.小企业及其业主或主要股东个人信用情况

B.小企业业主或主要股东家庭收支状况

C.企业经营管理情况

D.企业技术水平及市场前景

题型:单项选择题

空气湿度对电子产品生产及运行有着很大的影响,湿度低容易产生静电,一般而言,空气的湿度不宜低于()。

A.30%

B.40%

C.50%

D.60%

题型:单项选择题

强度

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