题目内容

8.Whatimpressed (使印象深刻)most was the beauty of the West Lake.

分析 西湖之美给大多数人留下了深刻的印象.

解答 答案:impressed
解析:根据括号内所给中文及英文提示可知,本题考查impress"使…印象深刻"这一单词;但是根据后面的was可知前面的主语从句中也该使用一般过去时.综上,本题答案为impressed.拓展:impress sth on/upon sb 意为"使某人铭记/牢记…".

点评 本题考查句子翻译,做此类题目时一定要根据中文及英文题干确定需要翻译的成分,再找出与之对应的英文并考虑各成分是否有形式的改变.

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18.A solar bag is a long plastic bag made from very thin plastic and colored black to take in solar energy.The heated air inside the bag causes the bag to float.Although the solar bag looks similar to a regular black trash bag,the key difference is the thickness of the plastic.A great science experiment might be testing bags of different thicknesses to see which one floats the highest!
Materials
v  Solar bag
v  Solar bag string
Notice that the bag is made out of a lightweight plastic material.Be careful when dealing with the bag since the pla stic will tear easily.
Carefully take the plastic bag from the packaging and hold one of the op en end of the bag.Tie this end with string.
The best time for a launch is in the cool morning.We have not had much success with a launch in the middle of a hot day.
Choose a proper place for the launch.Find a field clear of any buildings,trees and power lines.Choose a day to do the experiment when it is sunny and free of any wind.
Put the solar bag onto a soft surface like grass.Have one person hold the bag open as you begin to run around and fill the bag with air.
Fill the bag with air until about 2 feet remains without air so that you can hold it in your hand.Close the end and use a string to keep it on the ground.
The last part of the work is done by the sun.Gather around the giant bag but try not to touch it-sharp fingernails will easily break the thin plastic.Be careful!The outside of the bag also gets very hot to the touch.It's important to remember that it may t ake as long as ten minutes for the air inside to heat up enough to cause the bag to float.
25.What's the difference between a Solar Bag and a regular black trash bag?B
A.The weight.
B.The thickness.
C.The material.
D.The color.
26.The best time to launch a Solar Bag is inA.
A.a sunny cool morning without any wind
B.a sunny hot afternoon without any wind
C.a sunny cool morning with some wind
D.a sunny hot afternoon with some wind
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A.between buildings                    
B.in an open area
C.on top of a tree                       
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16.Professor David Agus,one of leading scientists at the medical revolution,says that he believes that with our current technology humans have the potential to regularly live into their ninth or tenth decade.
Craig Venter,co-founder and CEO of Human Longevity Inc.,says there might be no supposed limit to how long we can live,but that"we need to make sure we can support extra long life on this planet."Huge advancements at the intersection (交叉领域) of medicine and technology,such as big data,are making these kinds of developments in aging possible.
Venter explained that when he first studied the human genome (基因组) 15 years ago,there was nothing for him to compare it to.For example,we now know that we vary about 3% from the 6.4 billion letters of DNA that we get from our parents.Ten years ago,Venter said he wouldn't have thought that we'd be able to predict someone's age from their genetic code.We also now know that our genetic code is constantly changing,he says.Men,for example,start losing Y chromosomes (染色体) in their 40s and 50s."To help crack (破解) the big data code in medicine,my team have hired the engineer who designed Google Translate,"says Venter."We're using machine learning to try to understand and translate all that data,"he explains."We now have the ability to produce a photo of someone straight from their genetic code."
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C.the progress in technology and medicine
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A.change his DNA                           
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C.guess his appearance                   
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13.As time goes on,people have come to realize the importance of protecting the environment.But they can't deal with everything by themselves.Take small steps,and you can make a difference.
●Think Green.Think about the environment as you live your life.If you turn off lights and TV when leaving the room,you'll save energy.If you take shorter showers,you will save water.
●Shop Green.Shopping is fun,but buying things you don't need is wasteful and even bad for the earth.Before you buy something,ask yourself how much you will use it,and whenever possible,buy things locally made instead of those shipped from far away.
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●Study Green.What's better than learning about the environment?Save it while you learn.It can be as simple as using both sides of a piece of paper before you recycle it.
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20.Cheektowaga Central Middle School can be a lot of fun.It has game nights and student dances,after-school activities,and sports teams.However,students must earn the right to join in the fun.If they don't behave well,they're banned from participating in after-school activities.
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根据短文内容,判断以下句子的正(T)误(F).
31.The author agrees that boys learn math better than girls.F
32.Recent studies h ave found that boys have advantages in doing math.F
33.The author does her best to make girls learn math well.T
34.The author calls on more girls than boys to answer questions.F
35.Researching women mathematicians teaches the girls a good lesson.T.

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