九年級unit4topic1試題(文件)
【正文】 r senses(感應(yīng)器) are our feedback(反饋). They tell us what’s happening around us. So most robots are like people in some ways. They work and have feedback. But few robots look like people. Many robots are hidden in machine is turned on, water goes in. Then we set the temperature we want. The machine doesn’t wash the clothes until the water is warm. It does this by feedback and its feedback es from a thermostat(自動(dòng)調(diào)溫器). Information about what’s happening is fed into the robot to tell the washing machine what to do next.根據(jù)短文內(nèi)容，判斷正（T）誤（F）。(10分)China has decided to take action to stop the use of free (免費(fèi)的) plastic bags. Supermarkets, shops and outlets(經(jīng)銷點(diǎn)) in China will not be allowed to offer plastic bags.Every year, people use too many plastic bags and fail to deal with them in a right way, wasting the oil and littering the country. While we offer quick and useful service to customers, the plastic bags cause serious pollution and waste of energy as well. The government encourages people to go back to carrying cloth (布) bags and using baskets for their vegetables.\ActionMake a ___61__to stop the use of free plastic bags.PlaceSupermarkets, ___62____and outlets.AdvantageOffer ____63___ and useful service.Disadvantage ____64____ serious pollution and waste of energyWhat we should doGo back to carrying cloth bags and ___65___ baskets.61. ____ 62. ______ 63. ______ 64. ____ 65. ___ VII. 綜合填空(5分)（collect two America land explore）Neil Alden Armstrong was born on August 5th, 1930. He was an ___66____ astronaut. He was the first man to set foot on the moon. During his life, he took part in two space flights. His ___67___ and last space flight was in the ApolloⅡspaceship on July 20th, 1969. Along with his partner, Buzz Aldrin, Armstrong ___68___ on the lunar surface. He took the first step into space for mankind. They spent hours there ___69___ and ___70___ soil and rocks. On July 24th, they returned to the earth safely.66. ____ 67. ______ 68. ______ 69. ____ 70. ___ Ⅶ. 書面表達(dá)。 at home and abroad。要求：1．詞數(shù)在80個(gè)左右。( )51. How many times has the number of children using the Internet grown in the past three years? A. Four times. B. Three times. C. Five times.( )52. How many children between 2 and 7 use the net today? A. 8 million. B. 17 million. C. 25 million.( )53. Why are more and more children using the net now?A. Because the needn’t go to school any more.B. Because they will have exams on the net.C. Because their parents often use t
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