题型:阅读选择 题类:常考题 难易度:普通
江西省奉新县奉新二中2019-2020九年级下学期英语4月月考试英语试卷
Every day, people may touch thousands of chemicals(化学药品).These chemicals are said to be harmless to humanhealth. In fact, the chemicals are considered so safe that we may wash with them.We put them on our bodies and even our faces. Other chemical products are used aroundour homes. Each chemical seems harmless on its own. But when connected with otherchemicals,they may become deadly. That is the finding of a two-year studyby a high-profile (高调的) task force of scientists. The taskforce was told to find the cancer-causing(致癌)possibilityof chemical mixtures.
Linda Gulliver was one of the 174 scientists on the task force. Theirjob was to study the cancer-causing possibility of 85 chemicals. All 85 are saidto be common in the environment.
Ms. Gulliver explains that chemicals have the possibility or abilityto form dangerous mixtures. Even simple minerals(矿物) can become dangerous when mixed with chemicals found in plastics orbeauty products.
She says the latest way to find whether(是否) chemicals cause cancer is to test them one ata time. This method leads to a long list of "safe" chemicals. She alsosays, "We need some researches to find out what mixtures of chemicals wouldbe more harmful than others; what groups of chemicals, when together, would producemore harmful effects(影响). But at the moment, that is notknown."
What are people wearing in the 21st century?Scientists believe that in the near future,high—tech(高科技) clothing will make our lives more interesting.Take a look here and see some great inventions.
Some say Speedo swimsuits helped world champion Michael Phelps move faster in water. {#blank#}1{#/blank#}This gives clothes many new functions(功能).
Now many clothes makers begin to use new fabrics(纺织品) like nanofiber(纳米纤维).The clothes made from these fabrics can keep away stains(污渍)(褶皱).
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Clothes makers also use eco—friendly materials in clothing.Most of them come from old clothes,newspapers or even plastic bottles. {#blank#}3{#/blank#}Many clothes makers like Li— Ning make clothes from this low—carbon material.
As the Internet has become part of our life,everyday objects are becoming part of a network.Clothing is,too.For example {#blank#}4{#/blank#}
Scientists put sensor(传感器) inside the pants and then connect them to a computer.When people put the pants on,the sensors collect information about the body and send it to the computer. {#blank#}5{#/blank#}
A.Today there's more and more technology in clothing. B.People don't have to wash them or iron them frequently. C.Clothes makers can make more and more money in the future. D.It can see your movement and"let a computer know your every move". E.Reusing materials will help us to cut down on carbon emissions(碳排放). F.Scientists believe this technology will help us learn more about our bodies. G.High—tech clothing is made from old clothes,newspapers or even plastic bottles. |
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