2018年秋冀教版九年级上学期英语习题课件：Unit 5 Lesson 25　Let's Do an Experiment!

1、Unit 5Look into Science 冀教版 Lesson 25Lets Do an Experiment! 一、用方框中所给单词的适当形式填空。 pressure, method, force, science, correct 1Poor health _her to give up her studies last year. 2I dont know which answer is _ 3Dont give your child too much _of study. 4Everyone of us should know some _knowledge. 5I think

2、we should try his _of organizing the work. forced correct pressure scientific method 二、单项选择。 ( )6.We are all sure _ the mans theory. Aat Bof Cfor Dwith ( )7.The 17-year-old high school student is trying to _ a robot which can think like a human. Adiscover Borganize Cinvent Dachieve B C ( )8.(2016河北)

3、Im planning a trip to the beach tomorrow， but still cant decide _ Awhere Im going Bhow Im going Cwhy Im planning Dwhen Im planning ( )9.The streets were_ cheering people. Afull with Bfilled of Cfilled with Dfulled of B C ( )10.Will you be _ to shut the door? Sure, no problem. Akind enough Benough ki

4、nd Ctoo kind Dso kind A 三、根据课文内容及所给提示，在文中的空白处填写一个正确的单词。 Jenny, Danny and Brian did an 11. (experimental). Brian filled a jar 12._ water and 13. (cover) it with a cardboard. Then he turned the jar upside down and took his hand 14._ the cardboard. Danny sat under the jar with a raincoat on. He was afr

5、aid to get 15._ and closed his 16. (eye). experiment withcovered off wet eyes But no water 17. (pour) out. The result showed that Jenny concluded 18. _(correct)：the 19._ of the air helped the cardboard hold the water in the jar. Danny got to know that air was 20. (strong) than he thought. poured cor

6、rectlyforce stronger 四、阅读理解。(2017河北邯山区校级模拟) Now satellites(卫星) are helping to forecast(预报)the weather.They are in space， and they can reach any part of the world.The satellites take pictures of the atmosphere(大气)，because this is where the weather forms.They send these pictures to the weather station

7、s.So meteorologists(气象学家)can see the weather of any part of the world.From the pictures，the scientists can often say how the weather will change. Today，nearly five hundred weather stations in sixty countries receive satellite pictures.When they receive new pictures，the meteorologists compare them wi

8、th earlier ones.Perhaps they may find that the clouds have changed during the last few hours.This may mean that the weather on the ground may soon change， too.In their next weather forecast，the meteorologists can say this. So the weather satellites are a great help to the meteorologists.Before satel

9、lites were invented，the scientists could forecast the weather for about 24 or 48 hours.Now they can make good forecasts for three or five days.Soon，perhaps， they may be able to forecast the weather for a week or more ahead. ( )21.Satellites travel _ Ain space Bin the atmosphere Cabove the ground Dab

10、ove space ( )22.Why do we use the weather satellites to take pictures of the atmosphere？Because _ Athe weather satellites can do it easily Bclouds form there Cthe weather forms there Dthe pictures can forecast the weather A C ( )23.Meteorologists forecast the weather _ Awhen they have received satel

11、lite pictures Bafter they have compared new satellite pictures with earlier ones Cbefore they received satellite pictures Dduring they study satellite pictures ( )24.Maybe well soon be able to forecast the weather for _ Aone day Btwo days Cfive days Dseven days or even longer B D ( )25.The main idea of thi