向顺序栈中压入新元素时,应当( )。A.先移动栈顶指针,再存入元素 B.先存入元

题型:单项选择题

问题:

向顺序栈中压入新元素时,应当( )。

A.先移动栈顶指针,再存入元素

B.先存入元素,再移动栈顶指针

C.先后次序无关紧要

D.同时进行

考点:计算机等级考试PC技术计算机三级(PC技术)25
题型:单项选择题

根据汉语或首字母提示填写单词。

1. I would like to become a b_____ because I like birds and nature very much.

2. I think it is important for us to p_____ birds.

3. Golden eagles have b_____ feathers and broad wings, don't they?

4. Do swallows fly to n_____ countries in summer?

5. His father is working for _____ (大自然) reserve in Jiangsu.

6. Zhalong _____(提供) food and shelter for wild life.

7. Many people don't understand the _____(重要性) of wetlands.

8. We hope this _____(信息)will make them take a_____ to protect wildlife.

9. Zhalong is the home of a lot of plants and animals, i_____ different kinds of birds.

10. Providing food and s_____ for endangered birds is not the only reason for us to protect wetlands.

11. The reserve has an a_____ of more than 210000 hectares.

12. My grandparents lived in _____ (东北) China before.

13. My new classmate is _____(不友好)to me.

题型:单项选择题

()可谓是清代前期崇董书风的代表人物,()是清代崇董书风形成过程中的关键人物,()是崇董书风中的佼佼者,崇董书风中时称“姜汪”的是指()、()。

题型:单项选择题

现状年的选取一般与进行水资源论证()的年份,应尽量避免特丰或特枯的年份。

题型:单项选择题

经济发展的阶段不同,经济运行的态势不同,产业政策的具体目标不同,措施和力度亦不同,体现了产业政策的( )特征。

A.协调性

B.时效性

C.导向性

D.组合性

题型:单项选择题

110(66)kV-220kV变压器出厂验收时,绕组对地及绕组间绝缘电阻测量,标准温度下的1min绝缘电阻值不应小于()MΩ。

A.1000

B.3000

C.5000

D.8000

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