速度决定跑多快,安全决定跑多远。动车事故警示我们,谋发展必须要把安全放在首位,必

题型:选择题

问题:

速度决定跑多快,安全决定跑多远。动车事故警示我们,谋发展必须要把安全放在首位,必须牢固树立科学、安全、可持续的理念,必须坚持以人为本,处理好速度、质量、效益的关系,切不可片面追求速度,“要钱不要命”。这从哲学上启示我们(   )

①想问题、办事情,要坚持两点论和重点论相统一 

②要坚持一切从实际出发,实事求是 

③安全是交通运输生产经营活动的根本出发点  

④要遵循事物发展规律,作出正确的价值判断和价值选择

A.①②③

B.②③④

C.①③④

D.①②④

考点:意识及其与物质的辩证关系
题型:选择题

合并同类项

(1)3a2b+2ab2-5-3a2b-5ab2+2

(2)x+(5x+2y)-(x-2y)

(3)a-2(2a+b)+3(a-b)

(4)16+a-{8a-[a-9-(3-6a)]}.

题型:选择题

压力容器按工作温度区分(低温、常温、高温)时分为()。

A、低温容器≤-20摄氏度

B、-20摄氏度<常温容器<450摄氏度

C、高温容器≥450摄氏度

题型:选择题

合成题(由指定原料出发,可用4个碳以下的有机物及无机试剂。)

题型:选择题

Do you know the following expressions?

Faustian bargain

According to most stories, Faust was a German scholar who was rather unhappy with his life.The devil(魔鬼), Mephistopheles, promises him that in return for his soul.he will give Faust unlimited power and knowledge.Faust agrees and experiences all kinds of pleasures, but, in the end, his soul goes to the hell.A “Faustian bargain” therefore is a deal that finally results in one's ruin.It means a bargain made for temporary gain without taking future consequences into consideration.

A three-ring circus

When you refer to a situation as being a three-ring circus, you are saying that it is a situation of complete confusion.There are so many activities taking place all together that they leave you confused or annoyed.The expression comes from the world of entertainment—the circus.The area where the artists perform their acts is called the “ring”.In the past, some of the circuses were so large that they had three acts taking place meanwhile in three different “rings”.The audience had to decide which “ring” they wanted to focus on.

In the swim(of things)

When someone is in the swim of things, he is actively participating in the things happening around him, as in “I've been ill, but soon I'll be back in the swim of things.” In the world of fishing, fishermen use the word “swim” to refer to the section of the lake/river where fish can be found in plenty.So, if you are a fish man and wish to catch a lot of fish, where would you be? You would be “in the swim”!

小题1:If a person makes a Faustian bargain, _____.

A.he might come to a bad end

B.he would be considered clever

C.his life would become satisfying

D.he would gain power and knowledge小题2:In the past, why did a circus perform different acts at the same time ?

A.It was the audience’s requirement.

B.The time was limited.

C.The circus was very big.

D.They wanted to earn more money.小题3:What do we learn about the expression “in the swim(of things)”?

A.It means having a lot of things to do.

B.It has nothing to do with swimming.

C.Originally it was used to refer to "going fishing".

D.Patients use it to express their desire for health.小题4:What is the text mainly about?

A.The development of English phrases

B.Some old and interesting stories

C.Some phrases' meanings and origins

D.Some misunderstandings about words

题型:选择题

下列哪一项是卵巢畸胎瘤特征性的X线表现()

A.盆腔内牙齿或骨骼

B.盆壁骨的破坏

C.盆腔内钙化

D.盆腔内软组织肿块

E.盆腔积液

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