One day an old man is selling a big elep

题型:阅读理解

问题:

One day an old man is selling a big elephant. A young man comes to the elephant and begins to look at it slowly. The old man goes up to him and says in his ear, “ Don’t say anything about the elephant before I sell it. Then I will give you twenty dollars.”“All right,” says the young man. After the old man sells the elephant, he gives the young man twenty dollars and says, “ Now, can you tell me how you found the elephant’s bad ears?”“ I didn’t find the bad ears,” says the young man. “ Then why are you looking at the elephant slowly?” asks the old man. The young man answers, “Because I have never seen an elephant before, and I want to know what it looks like.”

(   )1. ______ the elephant.

A. The young man sells      B. The old man sells

C. The two men sell         D. The old man buys

(   )2. The young man is looking at the elephant slowly. He wants to find out _______.

A. which foot of the elephant is bad    B. how heavy it is

C. which ear of the elephant is bad     D. what it looks like

(   )3. The young man _______.

A. knows the elephant has bad ears   B. wants to buy the elephant

C. looks after the elephant   D. gets some money from the old man

(   )4. The young man _______.

A. is not interested in elephants    B. knows what an elephant looks like

C. has seen some elephants before

D. has never seen an elephant before

(  )5. Hearing what the young man said, the old man will probably(可能) be ______

A. angry      B. happy      C. dangerous     D. hungry

考点:人物传记类阅读故事类阅读
题型:阅读理解

Keeping in touch with our friends is an important part of friendship. This does not mean that __小题1:__ have to write or call our friends every day. It does mean, however, that we __小题2:__ care enough about our friends to find out how they are doing from time to time.

People have different habits about keeping in touch with others. Some like to call their friends, sometimes many times __小题3:__ day. Others prefer to e-mail their friends. Still __小题4:__ prefer writing letters so that they can include photos or interesting articles __小题5:__ the envelopes along with their letters. Some even write postcards while they are on vacation __小题6:__ send them to friends.

Every kind of communication is important. It is __小题7:__ important what kind of call we make or letter we send. __小题8:__ is important is that we let others know we care about them.

题型:阅读理解

选修:化学与技术】(金属钛(Ti)因其硬度大、熔点高、常温时耐酸碱腐蚀等性质被广泛用在高新科技材料和航天领域中。“硫酸法”生产钛的原料是钛铁矿(主要成分是:FeTiO3,还含有少量Mn、Zn、Cr、Cu等重金属元素及脉石等杂质);主要生产流程如下:

已知反应:①将钛铁矿与浓H2SO4煮解:FeTiO3+2H2SO4(浓)TiOSO4(硫酸氧钛)+FeSO4+2H2O。②加水热分解硫酸氧钛:TiOSO4+(n+1)H2OTiO2·nH2O+H2SO4

请回答下列问题:

(1)副产品甲是____________,可循环利用的物质是___________________________。

(2)上述生产流程中加入铁屑的目的是_______________________________________。

(3)写出中间产品乙与焦炭、氯气在高温下发生反应的方程式为:________________。

(4)“硫酸法”生产钛排放的废液对水体有哪些污染,请指出主要的两点:

①_________________________________;②_______________________________。

针对其中一项污染,提出处理的方法:                                  

题型:阅读理解

粉尘对人体的伤害程度受粉尘溶解度的影响,其影响程度随粉尘性质不同而不同。主要是机械刺激作用的粉尘,其危害作用随溶解度的增加而( )。

A.增强
B.减弱
C.先增强后减弱
D.先减弱后增强

题型:阅读理解

下列关于设备特性的说法正确的是()

A.设备是一种具有独特性质的物体

B.设备是一种由其它工作母机生产出来的产品

C.设备是一种能在人类生产活动或其它活动中起到工具作用的物体

D.设备实体本身也加入产品成为产品的一部分

E.设备具有一定的使用寿命

题型:阅读理解

基本尺寸是指()。

A、测量尺寸

B、极限尺寸

C、设计尺寸

D、实体尺寸

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