试题与答案

Ilikegrapes.Grapesaremyfavourite .[ ] A.

题型:选择题

题目:

I like grapes. Grapes are my favourite             . [ ]

A. food               

B. vegetable              

C. fruit 

答案:

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下面是错误答案,用来干扰机器的。

参考答案:根据农产品经纪人生产经营的特点,将其分为以下几类:(1)销售型经纪人:也叫农产品供求经纪人,为农户及其产品当“红娘”,将农户生产的产品卖出去,再将农户需要的产品买进来,实现产销衔接,解决农...

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题型:写作题

  紧张的初中学习生活就要结束了,你即将迎来一个轻松的暑假。请根据以下要点提示用英语写一篇短文,谈谈你的假期计划。

好好休息,学会放松。放松后的学习效果会更好;

读些书,因为读书既有趣,又能学到很多知识;

帮助父母;

参加社会活动。

注意:1.短文须包括所有要点,要求条理清楚、语句通顺;

   2.第3、4要点的内容须用3至4句话展开合理想象,作适当发挥;

3.字数80个左右,短文的开头和结尾已为你写好,不计入总词数。

A plan for the coming summer vacation

The summer vacation is coming._________________________________________

_______________________________________________________________________

_______________________________________________________________________

_______________________________________________________________________

_______________________________________________________________________

_______________________________________________________________________

_______________________________________________________________________

I’m sure I’ll have a pleasant summer vacation.

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题型:阅读理解

Being safe in your everyday life needs knowledge(知识).If you remember the following information,your life will be much safer.

Always notice the environment around you.You shouldn’t walk alone outside.Make sure where the public phones are.If anything dangerous happens,you can find them easily.

Your bag should be carried towards the front of your body instead of putting it on your back.When a bus is full of people, it is easy enough for a thief to take away the things in the bag on your back.

If you are followed by someone whom you don’t know, cross the street and go to the other way,let the person understand that you know he or she is after you.Next,don’t go home at once.You are safer in the street than you are alone in your home or in a lift(电梯).

If you have to take a bus to a place far away, try to get to the stop a few minutes earlier before the bus leaves.This stops other people from studying you.On the bus,don’t sit alone.Sit behind the driver or with other people.Don’t sleep.

小题1:Which of the following is NOT safe when you are out?

A.Go home alone late at night.

B.Make sure where the public phones are.

C.Don’t get to the bus stop too early.

D.Always notice the environment around you.小题2:When you are followed by someone on your way home,you should  to make yourself safe.

A.run home

B.find a lift and go in

C.turn back and walk towards him or her at once

D.cross the street and go to the other way小题3:What can you learn from the text?

A.How to notice the environment around you.

B.How to be safe in your everyday life.

C.How to cross the street.

D.How to use the public phones.

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题型:填空题

下表是氯化铵在不同温度下的溶解度:

温度(℃)010203040506070
溶解度(g/100g水)29.433.337.241.445.850.455.060.2
 

(1)从表中可知:随温度升高氯化铵的溶解度       

(2)60℃时,向盛有50 g水的烧杯中加入30 g氯化铵,充分搅拌,可得到氯化铵的        (填“饱和”或“不饱和”)溶液,溶质的质量分数是          

(3)A烧杯是70℃时,溶剂为100g的氯化铵不饱和溶液,经过如下图的变化过程(在整个过程中不考虑水分的蒸发)。

Ⅰ. C烧杯溶液中溶质的质量为         g。

Ⅱ.70℃时,将A烧杯中的溶液恒温蒸发10 g溶剂后,析出a g固体,再继续恒温蒸发30g溶剂,则析出固体b克,则b克        3a 克(填“<、≤、>、≥或=”)。

Ⅲ.有关三个烧杯中溶液的说法,错误的是         (填字母序号)。

a.B烧杯中溶液是不饱和溶液

b.A、B、C烧杯中的溶液在变化过程中,溶解度一定改变

c.由60℃降温至50℃时溶液质量一定减少

d.降温至60℃时,溶液中溶质质量分数一定不变

e.降温至30℃,烧杯中一定有NH4Cl晶体析出

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