Unit 4 Space Exploration单元综合练-2020-2021学年下学期高一英语同步精品课堂(人教版新教材必修第三册)

必修3 Unit 4 Space Exploration 单元综合练 总分：100分 时间：90 分钟 第一部分 单元拾零（每小题1分，共10分） 1．There are still many problems_ _(solve) before we are ready for a long stay on the moon. 2．He made a promise ___ (come) here on time tomorrow. 3．We’re to hold a meeting in half an hour.The decision ___(make) at the meeting will influence the future of our company. 4．You don’t have to run fast or for long ___(see) the benefit. 5．____(make) it easier to get in touch with us，you’d better keep this card at hand. 6．George returned after the war，only ___(tell) that his wife had left him. 7．We were astonished ____(see) the building still in its original condition. 8．In college，there are so many good chances ____(meet) your expectations. 9．He was the first traveler ____(arrive) in the island lying in the central of the Pacific Ocean. 10．We will be more than happy ____(receive) materials，such as clothes，quilts and school supplies. 第二部分单元提升： 阅读理解（共20小题，每小题2分，满分40分) 第一节（共15小题，每小题2分，满分30分) 阅读下列短文，从每题所给的四个选项A、B、C、D中选出最佳选项。 C和D四个选项中，选出最佳选项。 A [2020·北京市高考适应性测试]If you're looking to buy a gift for your children, why not keep up with the trend and get the best hoverboard? What Is a Hoverboard? A hoverboard is a two­wheeled personal transportation device. It's electrical, portable and became highly popular in 2015 in reference to a popular 1980's movie. Typically, this self­balancing device operates like a powered skateboard. How Does a Hoverboard Work? The device may have many designs, but the mechanism itself isn't complicated. Basically, a standard hoverboard contains： •A battery. It stores the electrical power. Almost all hoverboards use a high­watt lithium­ion battery. •Gyroscopes (one for each wheel). They allow riders to tilt (倾斜) the hoverboard while maintaining balance and adjusting their direction. •Motors (one in each wheel). They provide power to the wheels to keep the rider balanced and upright. •A logic board. It functions as the hoverboard's brain. It processes data—your speed