由于地球自转而产生的现象是( ) A.二十四节气 B.昼夜交替 C.四季变化 D

题型:选择题

问题:

由于地球自转而产生的现象是(  )

A.二十四节气

B.昼夜交替

C.四季变化

D.昼夜长短变化

考点:身边的地理知识地球的自转运动
题型:选择题

一个数由3个千万,7个十万,8个百和6个一组成,这个数写作(    )读作(    )省略万位后面的尾数约是(    )。

题型:选择题

下列产品中属于初级产品的是

A.皮鞋

B.巧克力糖

C.牛肉罐头

D.可可豆

题型:选择题

情景交际。

Kevin: So, Tina, what   1   did you do?

Tina: You won't believe it, but I met Jake Dean!

Kevin: Jack Dean, the famous actor?

    You really   2   him?

Tina: Yes! He is making   3   movie at the aquarium.

Kevin: Wow. Did you get his autograph?

Tina:   4  , I didn't. Laura did. But I took his photo.   5   it is.

Kevin: Wow.   6   there other actors there?

Tina: No. We   7   saw Jake. Look, here's Toby. He   8   a prize in the   9   Shop.

Kevin: Did you win that hat?

Tina: No, I didn't. I bought   10  .

题型:选择题

消防部队将固定资产分为()大类。

A.10

B.11

C.12

D.15

题型:选择题

下列哪一种资料属于一级文献:

A.百科全书
B.综述文章
C.期刊杂志上发表的研究论文
D.教科书
E.药品集

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