2022年中考英语仁爱版英语复习训练-九年级(上)unit4.docx

九年级(上)Unit 4一、阅读理解A(2021自贡改编)Named after the “quest for heavenly truth”,Tianwen 1, China's first Mars probe (探测器), has given us impressive pictures of the red planet. The first high-resolution (高分辨率的) pictures of Mars taken by Tianwen 1 were made public by the China National Space Administration (CNSA) on March 4.“These are the first close-up pictures of Mars' surface taken by China,” said Bao Weimin,a scientist of the Chinese Academy of Sciences.The pictures were taken at different distances from Mars. The two black-and-white pictures were taken by the high-resolution camera on Tianwen 1 when the probe was about 330-350 kilometers above the Martian surface. As for the color picture, it was taken by Tianwen 1's medium-resolution (中分辨率的) camera when the probe was about 5,000 kilometers above the red planet. It shows Mars' North Pole.The high-resolution camera can take both color and panchromatic (全色的) pictures. Panchromatic pictures, which are black and white, are the clearest, having the largest amount of data for scientific study, said Liu Tongjie. The medium-resolution camera, can only produce less clear pictures. Scientists put the panchromatic and color pictures together to form a clear and beautiful color picture, Liu added.Tianwen 1, the country's first independent Mars task, was sent up on July 23, kicking off the nation's planetary exploration program. The probe entered its preset orbit above Mars on Feb. 24 and is looking for a landing site on the planet's largest plain. The probe is expected to land on the red planet sometime between May and June.1.When were the first high-resolution photos of Mars made public by CNSA?【 B 】A.On Feb. 24. B.On March 4.C.On July 23. D.On March 23. 【 A 】2.What does the word “It” refer to in Paragraph 3?A.The color picture.B.The black-and-white picture.C.The clear and beautiful picture.D.The Mars' surface. 【 A 】3.What do we know about the pictures according to the text?A.The first close-up pictures of Mars' surface were taken at different distances from Mars.B.The color pictures have the largest amount of data for scientific study.C.The clearest pictures were taken by the medium-resolution camera.D.The color pictures are the clearest of all the pictures.【 B 】4.What will be most probably discussed next?A.Tianwen 1 will take more pictures of Mars.B.Tianwen 1 will land on the red planet, Mars.C.Tianwen 1 will do some scientific research on Mars.D.Tianwen 1 will meet some troubles on Mars. 【 A 】5.In which part of a magazine may we find the text?A.Science. B.Story.C.Amusement. D.Geography.B(2021河北改编)What will the world of tomorrow look like? Many people today believe that technology is going to help solve some of the most difficult problems we have on Earth today. New technology may solve old problems, and it may also create new ones. No technology is perfect. 1.　C　 When we dream about the future, many of us think that we will be able to fly to the skies in our own personal flying car. 2.　E　 However, if the cars become popular, there will be problems with traffic control. 3.　 B　 3D printers are already used to make life-size models of car parts, and man-made body parts, such as ears. As we move into the future, 3D printing will change the way we make things and the way we treat sick people. The disadvantage is that such a machine is very expensive. 4.　D　 This is an electronic suit. It allows people to lift heavy objects and walk a long way. It might help people walk again after an illness or an accident. However, one disadvantage at the moment is cost. Looking ahead, it is easy to imagine a future. We will be able to fly to work, print out a new pair of shoes or lift a car above our heads. Although there are some problems to solve before all of this is possible, we can certainly dream of a world. 5.　A　 It can solve some of the most difficult problems we have today. 根据材料内容,从下面五个选项中选出能填入文中空缺处的最佳选项,使文章意思通顺、内容完整。

A.In this world, technology makes people's life easier and safer.B.3D printing is another new technology for the future.C.Each has advantages and disadvantages, as these three examples.D.Finally, people are trying to build a robot suit(套装).E.We could fly at 480 km per hour, avoiding traffic lights and busy roads.二、完形填空Ruhani Ahluwalia is a 15-year-old girl. She loves movies and Harry Potter, like many other kids at her age. What's more, she has 　1　 a great interest in searching for a cure (疗法) for cancer. Since she was 11 years old, Ruhani has been 　2　 cancer cells (细胞) and how they spread. She is testing medicine that can 　3　 cancer cells. It is a personal task. In the sixth grade, her great aunt 　4　 cancer. She felt very sad at that time. This 　5　 moved Ruhani to start her cancer research. She 　6　 it between the sixth and seventh grade. Ruhani said she learned everything outside of her school. Her 　7　, Parmeet Jodhka, is a biology teacher at college. She is so proud 　8　 her dau。