[单选题]对于Excel所提供的数据图表,下列说法正确的是().-我要搜题网

[判断题]碳弧气刨时,压缩空气的作用是用来矫正电弧的磁偏吹。
A.正确
B.错误

[多项选择] John invited you to his birthday party this evening, but your mother is ill, so you have to go, home. Then, write a note to John.
Marks will be awarded for content, organization, grammar and appropriateness.

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[多项选择]以下说法正确的是（）。
A. 动力驱动的起重机，其起升、变幅、运行、旋转机构都必须装设制动器
B. 制动器在起重机械中既是工作装置又是安全装置
C. 吊运炽热金属的起升机构，每套独立的驱动装置都应装设两套制动器
D. 起升、变幅机构的制动器，应该是常开式制动器

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[判断题]证券组合管理的控制过程通常包括以下四个基本步骤：确定证券投资政策、进行证券投资分析、组建证券投资组合、证券组合业绩评估（）

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[单选题]临时围栏与35kV带电部分的距离，不得小于（），并尽可能地远离带电部分。
A.A-0.7m
B.B-1.0m
C.C-1.5m
D.D-3.0cm

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[单项选择]

Whoever said that victory has many fathers and defeat is an orphan, surely had never heard of the World Trade organization (WTO). In the case of the hapless multilateral trade body and its long suffering representatives, the total failure of the opening meeting of the so-called Millennium trade round has lots of people boasting of their role in the violent physical struggle. Well. That’s just brilliant. They are proud of being part of a movement that wants to wreck the most important engine of economic growth, prosperity and overall global rising living standards we have--the freedom of trade and movement of people and goods between nations.
The 135-members WTO is composed of sovereign governments wishing to further this goal and ease the settlement of international trade disputes. From the sounds emanating from Seattle, though, it would now seem the W
A. serve as arbiters in international trade disputes.
B. ensure cheap export and import of goods unnecessarily.
C. bring about the globalization of world’s trades.
D. encourage free trade and goods exchanges worldwide.

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[多选题]专业监理工程师履行主持整理工程项目的监理资料职责应包括( ):
A.组织审查单位工程质量检验资料;
B.审查施工单位的竣工申请,
C.审查施工单位提交的涉及本专业的报审文件
D.检查进厂的工程材料、构配件、设备的质量
E.参与工程竣工预验收和竣工验收

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[单选题]（）不是定位装置的主要组成部分。
A.定位环
B.定位器
C.定位线夹
D.防风拉线

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[简答题]列尾主机电池低电压报警在什么情况下视为列尾装置故障？

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[判断题]证券评级机构应当自取得证券评级业务许可之日起20日内，将其信用等级划分及定义、评级方法、评级程序报证协备案。

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[单项选择]

The people who lives in the far North are called Eskimos(爱斯基摩托车人). In the world of ice and snow it is (21) to grow plants for food. The Eskimos must hunt and fish during the whole year to (22) themselves and their families with food.
In winter, they hunt the seal(海豹) (23) the polar(极地的) bear. When they hunt the seal, they (24) a hole in the ice and try to (25) the seal when it comes up to breathe.
In summer, the Eskimos hunt (26) animals, and they also hunt birds and catch fish.
(27) that is useful is saved. The Eskimos use the meat from animals for food. They melt(融化) the fat from their bodies and use the (28) as fuel(燃料). They make tools out of animals bones. The skin and furs of animals are used for making clothing.
If an Eskimo is (29) lucky, he may kill a whale(鲤鱼), (30) a dead whale may wash up on the shore near his house. The whale is an especially useful
A. many
B. much
C. number
D. deal