统计工作是人们为了说明所研究对象的某种数量特征和数量规律性,而对该现象的数据进行()

题型:多项选择题

问题:

统计工作是人们为了说明所研究对象的某种数量特征和数量规律性,而对该现象的数据进行()的活动过程。

A.录入

B.收集

C.整理

D.分析

E.查询

考点:电子商务师助理电子商务师(三级)助理电子商务师(三级)题库
题型:多项选择题

根据短文内容,选择正确答案。

    Do you know Jenny, my favorite film star? Maybe you like her films. Now she has a new look. She doesn't

have long brown hair. She has short blond hair. And she doesn't wear (穿着) gloves, a red blouse and white

shoes. She wears (穿着) a red T-shirt, a yellow cap and black shoes."It's great. (伟大的、绝美的)" She says.

"I can go shopping (去购物), and nobody (没有人) knows me."

1. Jenny is a _______. [ ]

A. film star

B. teacher

C. pop singer

D. student.

2. Now Jenny has ______ hair. [ ]

A. long blond

B. short blond

C. long brown

D. short brown

3. Does she wear gloves now? [ ]

A. Yes, she does

B. No, she doesn't

C. I don't know.

D. Yes, she is.

4. Now what does she wear? [ ]

A. Gloves, a red T-shirt and white shoes.

B. A red cap, a yellow T-shirt and black shoes

C. Black shoes, a yellow cap and a red T-shirt

D. I don't know.

5. Jenny can go shopping _______. [ ]

A. because (因为) the new look is nice.

B. because she has a red T-shirt, a yellow cap.

C. because nobody knows her now.

D. because she is a film star.

题型:多项选择题

端羧基聚丁二烯,CTPB

题型:多项选择题

分析城市人口与乡村人口变化,预测我国人口形势变化为()。

A.人口老龄化

B.人口增长过快

C.人口死亡率降低

D.城市化速度加快

题型:多项选择题

模拟载波机在4KHz内只能传输()路窄带话音和1路低速数据(≤600bps),无网管功能。

A.1

B.2

C.3

D.4

题型:多项选择题

无砟轨道精调完成后超过()小时需重新复测。

A、8

B、12

C、16

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