关于JOIN命令,下列说法不正确的是?() A.可将相似的对象合并为一个对象 B.合

题型:单项选择题

问题:

关于JOIN命令,下列说法不正确的是?()

A.可将相似的对象合并为一个对象

B.合并两条或多条圆弧时,将从源对象开始沿顺时针方向合并圆弧

C.还可以合并样条曲线和多段线

D.也可以使用圆弧和椭圆弧创建完整的圆和椭圆

考点:艺术设计软件AutoCADAutoCAD题库
题型:单项选择题

假定英语课上老师要求同桌之间交换修改作文,请你修改你同桌写的以下作文。文中共有10处语言错误,每句中最多有两处。如有错误,则按下列情况改正:

删除:把多余的词用斜线(\)划掉。

增加:在缺词处加一个漏字符合(^),并在起下面写出该加的词。

修改:在错的词下划—横线,并在该词下面写出改正后的词。

注意:1. 每处错误及其修改均仅限一词;

2. 至允许修改10处,多者(从第11处起)不计分。

It is five years now since I graduate from No.3 High

School. Last Saturday, the class that I was on held a

get-together, which took us a long time prepare. It

was indeed not easy to get in the touch with everybody

and set a well time for all of us. We all enjoyed

this precious day greatly, remember the time we spent

together and the people they were familiar with.It was

a pity which some of us were not present as they had

gone abroad for further studies, but they calls back

or sent greeting card from different places.

题型:单项选择题

心房颤动最常见于()

A.冠心病

B.风心病二尖瓣狭窄

C.高心病

D.甲亢性心脏病

E.缩窄性心包炎

题型:单项选择题

谈判过程中,在让步的最后一阶段让出全部可让利益的让步方法叫()。

A.坚定的让步策略

B.孤注一掷的让步策略

C.顽固的让步策略

D.均衡的让步策略

题型:单项选择题

有关船舶的明火作业()在审批前要对作业现场进行检查,确认符合作业安全条件,落实各项安全措施,方可批准作业.

A.船长

B.大副

C.轮机长

题型:单项选择题

甲是政府安全生产检查人员,则其在行使现场处理权时不可以( )。

A.对安全生产违法作业当场纠正

B.对现场检查出的隐患责令停止使用

C.责令紧急避险

D.将不合格的安全设施查封扣押

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