下列词语中没有错别字的一组是[ ] A.雍容 经典 韬光养晦 筚路蓝缕,以起山林

题型:选择题

问题:

下列词语中没有错别字的一组是[ ]

A.雍容 经典 韬光养晦 筚路蓝缕,以起山林

B.安详 遐思 薪尽火传 二人同心,其利断金

C.跨越 振辐 秘而不宣 合抱之木,生于毫末

D.坐阵 砥砺 学以致用 壁立千仞,无欲则刚

考点:字形
题型:选择题

条码是一种图形识别技术,与其他识别技术相比,其特点主要是()

A.信息采集速度快

B.采集信息量大

C.可靠性高

D.自由度大

E.比较负责不易仿制

题型:选择题

关于氟斑牙,下列哪个说法是错误()。

A.氟主要损害釉质发育期牙胚的造釉细胞

B.饮用水是摄入氟的最大来源

C.深层釉质含氟量是表面釉质的11倍左右

D.又称斑釉牙

E.慢性氟中毒患者可有骨骼增殖性变化

题型:选择题

在图1中完成折射光线的光路,在图2中的虚线框内画出恰当的透镜.

题型:选择题

Andy is the most unreasonable, pigheaded life form in the world, and he makes me so angry I could scream! Of course, I love him like a brother. I have to because he is my brother. More than that, he is my twin! That’s right. Andy and Amy(that’s me) have the same curly(卷曲的) hair and dark eyes and equally stubborn character. Yet, though we may look alike, on most issues(事情)  we usually take completely opposite positions. If I say day, you can count on Andy to say night.

Just this week, the hot topic in school was all about the PTA’S proposal(提议) to adopt a school dress principle. Every student would be required to wear a uniform. Uniforms! Can you imagine? Oh, they would be uniforms in color. The dress style would be sort of loose and free.

I think a dress principle is a good idea. The reason is simple. School is tough enough without worrying about looking cool every single day. The fact is, the less I have to decide first thing in the morning, the better. I also wouldn’t mind not having to see guys wearing oversized jeans and shirts. And I certainly would welcome not seeing kids showing off designer clothes.

Andy is surprised at my opinion. He says he can’t believe that I would be willing to give up my all-American teenage birthright by dressing like — well, like a typical teenager. Last night, he even dragged out Mom and Dad’s high school photo albums. What a couple of peace-loving hippies(嬉皮士) they were!

The vote for or against uniforms took place later that day. The results of the vote and the headmaster’s decision will be announced next week. I wonder what it will be. I know how I voted, and I’m pretty sure I know how Andy voted.

How would you vote—for or against?

小题1:The story is about___________.

A.a school policy decision that will affect parents and students

B.a personal experience and is told in the first person

C.a historical event and is told in the third person

D.a conflict of opinions between boys and girls小题2:Amy’s position on school uniforms is most likely based on________.

A.logical conclusions drawn form her own observation and personal experience

B.an aggressive reaction to what she has been told by people in authority

C.her preference for designer-labeled clothes

D.not liking anything her brother likes小题3:Which of the following is the best statement of Andy’s position?

A.School clothing should reflect parents’ values.

B.Teenagers should never follow the latest fashions in dress.

C.How one dresses should be an expression of one’s individuality.

D.Wearing school uniforms means one less decision every morning.小题4:What is the best title for the text?

A.A School Dress Principle.

B.My Stubborn Twin Brother

C.Endless Fights with My Brother

D.For or Against?--- That Is the Question

题型:选择题

工作停止,移动振动器时,应()。

A.切断电源

B.停止电动机转动

C.搬动

D.切断总电源

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