社会主义法治的中心环节是( )。A.有法可依 B.违法必究 C.执法必严 D.有法必

题型:单项选择题

问题:

社会主义法治的中心环节是( )。

A.有法可依

B.违法必究

C.执法必严

D.有法必依

考点:安全工程师安全生产法及相关法律知识安全生产法及相关法律知识
题型:单项选择题

已知直线m:2x-y-3=0,n:x+y-3=0.

(Ⅰ)求过两直线m,n交点且与直线x+3y-1=0平行的直线方程;

(Ⅱ)直线l过两直线m,n交点且与x,y正半轴交于A、B两点,△ABO的面积为4,求直线l的方程.

题型:单项选择题

一次点是指检测系统或调节系统中,直接与工艺介质接触的点,下列哪个点不是一次点()。

A、压力取压点

B、热电偶安装点

C、介质分析采样口

D、节流元件

题型:单项选择题

第二节:根据短文内容,从短文后的选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。

In so many ways, cyberspace (网络空间) mirrors the real world. Some people ask for information, play games, and share hobby tips.  71  Still others look for friendship, or even love.

Unlike the real world, however, your knowledge about a person is limited to words on a computer screen. Identity (身份) and appearance mean very little in cyberspace.  72  So even the shyest person can become a chat-room star.

Usually, this “faceless” communication doesn’t create problems. Identity doesn’t really matter when you’re in a chat room discussing politics or hobbies. In fact, this emphasis on the ideas themselves makes the Internet a great place for exciting conversation (对话).  73

But some Internet users want more than just someone to chat with.  74  Is cyberspace a good place to find love? That answer depends on whom you ask.

75  Others fail miserably.

A.Instead, a person’s thoughts or at least the thoughts they type are what really matters.

B.Others buy and sell products.

C.They’re looking for serious love relationships.

D.But cyberspace is different from the real world in some aspects (方面).E. Some of these relationships actually succeed.

F. Where else can so many people come together to chat?

G. Chatting online isn’t always reliable (可靠的).

题型:单项选择题

小玲做浮力相关实验,记录了把6个某种金属实心球分别浸没在水中所受的浮力与金属球质量的数据如下表所示,请根据表中数据归纳出此实验中金属球质量与所受浮力的关系:______.

m/kg0.1620.2160.270.3240.3780.432
F/N0.60.81.01.21.41.6

题型:单项选择题

数据传输过程中出错比特数占被传输比特总数的比率称为() ,它是衡量数据通信系统性能的一项重要指标。

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