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河北省保定市2023-2024学年度第二学期高一期末调研考试英语试卷答案
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6. What is special about the hotel room the man gets?A. Its number is very nice.B. It is extremely expensive.C. It offers a mountain view.
4.What does the woman mean?A.It’s extremely hot outside.B.She wants to swim.C.Swimming is good for health.
Imagine an underDnder water camera that can take photos anywhere in the se a. Until now, the use of uner watercameras still has many problems. But now researchers have found a way to solve these problems.now researchers(给……充电) a new camera with underwater sounds.The camera has two sensors(传感器) on the bottom. When sounds travel througsounds travel through the water, they createshakes. These sounds cause the sensors to shake and then they change the shaking into electric energy(电能) .o shake and thherA special instrument stores the energy, which can be compared to a reusable battery(可重复使用的电池) .Once the instrument has enough energy, it turns on the camera and takes pictures. Then, it lets the sec-ome unon d sensor store more sound energy to receive and send the camera’s pictures—as sounds to some underwaternireceivers. In this way, the sensors not only power the camera but also send pictures.The se a is noisy. This makes sure there’s a ready power station to use for the new camera. Any sound canpower it—whether it is from swimming fishes, passing boats or falling rocks. That underwater receiver picksrockup the camera’s information and changes it into a picture. With that, an undersea photo is done.67. Which of the following is the right order of how the sensors work?a. The sounds make the sensors shake.b. The second sensor receives and sends the pictures as sounds.c. The sensors change the shaking into electric energy.d. A special instrument turns on the camera and takes pictures.A.a-b-c-d. B.b-a-c-d. C. a-c-d-b. D.b-d-c-a.
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