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高一试题

Have you heard the traffic ________that happened in Yatai Street last week?

A . accident B . affair C . incident D . event

下列有关同位素的说法错误的是（）

A . 同位素是指同一元素的原子中，中子数不同的核素 B . 元素周期表中，每种元素都存在同位素 C . 天然存在的同位素，相互间保持一定的比率 D . 核电池(又称同位素电池)就是以放射性核素为主要原料制成的特殊能源

It is a company which imports raw (材料) from North America.

在△ABC中，a，b，c分别为角A，B，C所对的边，且ccosA=b，则△ABC是（）

A . 锐角三角形 B . 钝角三角形 C . 直角三角形 D . 斜三角形

用铝热法从下列金属氧化物中制取相应的金属各1mol，消耗铝的质量最多的是（）

A . Fe₂O₃ B . V₂O₅ C . MnO₂ D . Cr₂O₃

名篇名句默写

（1）《赤壁赋》中描写曹军攻破荆州后，顺流东下时的盛况的句子是：“，”。
（2）《氓》中表现女子始终如一，而男子的行为却前后不一致的诗句是：“，”。
（3）《兰亭集序》中王羲之认为人们的生死之情是客观存在的，那种均齐生死寿夭的观念，完全是不近人情的虚诞意识的句子是：“，”。

下列化学用语错误的是 ( )

A . S^2-的结构示意图：

B . 中子数为7的氮原子 $\text{[math]}$ N C . 葡萄糖分子的实验式：CH₂O D . 乙炔的结构式：H-C≡C-H

在△ABC中，若acosA+bcosB=ccosC，则△ABC的形状是什么？

在△ABC中，若 $\text{[math]}$ ＞ $\text{[math]}$ $\text{[math]}$ $\text{[math]}$ + $\text{[math]}$ $\text{[math]}$ $\text{[math]}$ + $\text{[math]}$ $\text{[math]}$ $\text{[math]}$ $\text{[math]}$ ，则△ABC是（　　）

A . 不等边三角形 B . 三条边不全等的三角形 C . 锐角三角形 D . 钝角三角形

Mother bought a lot of things _____ her daughter's birthday party.

A . in preparation for B . with preparation to C . at preparation D . by preparation for

根据所给单词或括号内汉语提示，用其适当形式填空。

（1） The two teaching buildings are about 50 meters (相距).
（2） If you want your products to sell well,you should (登广告)them.
（3） Children like (下载) songs from the Internet.
（4） If a small part of the plane were to fail,the plane would (爆炸) in the sky.
（5） In my (判断),it is well worth doing.
（6） Real friendship is more than money.(value)
（7） The player from America has rich experience in playing,so he is a strong (compete)for you.
（8） As we all know, Confucius is a great (educate).
（9） His (devote) to the cause of education inspired the young people to be teachers.
（10） No books can (borrow) from the school library without a library card.
（11） children were calling for their mothers.(frighten)
（12） Don't spend all your time on such a job.(use)
（13） Let's give him our on his passing his driving test.(congratulate)
（14） There was only one (survive)in the plane crash.
（15） He is waiting for the result of the interview (hope).

在△ABC中，三个内角A，B，C的对边分别为a，b，c，且A，B，C成等差数列，a，b，c成等比数列，求证△ABC为等边三角形．

根据对话情景和内容，从对话后所给的选项中选出能填入空白处的最佳选项。并在答题卡上将该选项涂黑。选项中有两项为多余选项。

—We hear so much about exercises these days. So even experts can't agree on which exercises are best. Now some doctors are strongly encouraging arm exercises.

—Arm exercises?

— They say that arm exercises are a way to become physically healthy.

—But don't arm exercises raise your blood pressure?

—Yes. But the articles I read supply ways to make up for that.

—How?

—By adding leg exercises, so that the arms don't do all the work.

—

—Sounds right to me. I quite agree with you.

—

—They mentioned quite a few, but some of the popular ones are cycling with special

bicycles that make you use both your arms and legs.

— So I'd like to have a try.

—The same with me.

A. So what exercises do the experts suggest?

B. The more leg exercises you do, the better you are.

C. And in turn I'm sure that they're also a good chance of losing weight.

D. Actually that's not the main reason.

E. What's your opinion about this?

F. Is that because our arms are too fat or soft?

G. I can hardly believe it.

向铜片中加入某浓度的硫酸120ml，在加热条件下反应，待铜片全部溶解后，将其溶液稀释到500ml。再加入足量锌粉，使之充分反应，收集到标准状况下氢气2.24L，过滤残留固体，干燥后称量，质量减轻了7.50g。求：

（1）溶解的铜的质量。
（2）原硫酸的物质的量浓度。（要求写出简要计算过程）

The school was completely d by fire.

He stepped out of the plane, smiling to people meeting him the airport.

在△ABC中，角A，B，C的对边分别是a、b、c，若 $\text{[math]}$ ，且4sinA=3sinB则△ABC的形状是（）

A . 等腰三角形 B . 直角三角形 C . 等腰三角形或直角三角形 D . 钝角三角形

根据题意进行计算：

（1）向200mL0.5mol/LAl₂（SO₄）₃溶液中，加入350mL2mol/L NaOH溶液，充分反应后可以得到Al（OH）₃沉淀多少g？
（2）若想得到3.9g Al（OH）₃沉淀，应向200mL0.5mol/LAl₂（SO₄）₃溶液中加入2mol/L NaOH溶液多少mL？

He described the accident to the police (详细地).(detail)

I think advertising can help a product or a person become famous with fewer efforts and (而且), in much less time.

高一： 语文 数学 英语 物理 化学 生物 历史 政治 地理

高一试题

高一：语文　数学　英语　物理　化学　生物　历史　政治　地理　