Unit 4 The Wonders of Nature Section A导学案+基础演练-2025-2026学年人教版英语八年级下册

2025-2026学年英语人教版八年级下册 Unit 4 The Wonders of Nature Section A导学案+基础演练（带答案） 一、单选题 1.-This maths problem is too difficult, Dad.-Try again! I think you are ____ to work it out. A. smart enough B. enough smart C. serious enough D. enough serious 2.-I ____ whether(是否) AI is helpful to students.-Actually, it'll be a useful tool as long as it's used wisely. A. allow B. advise C. wonder D. decide 3.—It is already 11:30 p.m. Why are you ____ awake, Kate?—The noise outside makes it hard for me to fall asleep. A. even B. still C. just D. ever 4.-I'm going to buy some notebooks after school.____, do you need me to get one for you?-Oh, yes. That's very kind of you. A. In the end B. By the way C. After all D. At first 5.—The Yangtze River is much ________ than the Yellow River.—You're right. It is ________ river in China. A. long; longer B. longest; longer C. longer; the longest D. longer; longest 6.-Labour(劳动) education is important for students'____.-Sure. If schools put it into practice, students will be more independent(独立的). A. development B. safety C. communication D. pressure 7.The water in the small river is so clear that we can easily see the stones and little fish at the ____. A. top B. bottom C. front D. surface 8.-____ is the Yangtze River?-It's about 6,300 kilometers long. It's the longest river in China. A. How long B. How old C. How far D. How deep 9.-Is Mount Qomolangma ____ in the world?-Yes. It is ____ than any other mountain. A. higher; higher B. higher; the highest C. the highest; the highest D. the highest; higher 10.—The Sahara is the world's largest hot desert.____ is it?—About 9,000,000 square kilometers in size. A. How large B. How long C. How high D. How far 二、单词拼写 11.Chi is a traditional Chinese unit(单位) of           (long). Do you know how long a chi is? 12.The big lake is so clear that we are able to see its b          (底部). 13.It's everyone's duty to p          (保护) the clean water and fresh air in our hometown. 14.Of all the students from Class Two, my brother Sam ran f          (最远). 15.Mr Wood from Africa is interested in the a          (古代的) history of China. 16.I looked out of the plane, but I couldn't see anything b          (在下面). 17.This app makes the m          (测量) of distances between two places very easy. 18.The s          (表面) of the peaceful lake is really like a mirror. 19.China is one of the four countries with great ancient           （文明） in the world. 20.With the d           of AI, people can now do many things in a much more creative way than before. 三、完成句子 21.展览的某些部分甚至允许游客尝试制作简单的手工艺品。                                  the exhibition even let visitors try making simple crafts. 22.哈里是我们班第二高的,但是他比三班任何一个学生都要高。 Harry is                                  in our class, but he is taller than any student in Class Three. 23.姜还是老的辣。 The older,                     . 24.撒哈拉沙漠的面积约为九百万平方千米。 The area of Sahara Desert is about nine million                      . 25.死海位于海平面以下约430米处。 The Dead Sea is about 430 metres                                 . 四、阅读填空 The Yellow River is the second longest river in China. It runs from the mountains   26   the sea. It gave birth to one of the   27   (old) and most famous cultures in the world-the Yellow River culture. In the hearts of   28 (China) people, the Yellow River is the“mother river”. It is expected to play a more important role in our country's   29    (develop). The river got its name Huanghe in Chinese   30  its water is yellow, as it took lots   31     yellow sand to the water when it ran through the Loess Plateau(黄土高原). The river starts from Qinghai Province in northwestern China. It runs through a lot of places before   32    (run) into the Bohai Sea. The 5,464-kilometre-long river   33  (feed) about 12% of China's population and offers water to about 17% of fields and more than 50   34    (city). So far our country has made great efforts(努力) in the environmental protection of the river. Each year over 400 million tons of sand can't go into it. Our “mother river” has become much   35 (clear) than before. 答案和解析 一、1.A 2.C 3.B 4.B 5.C 【解析】5.句意：—长江比黄河长得多。—你说得对。它是中国最长的河流。 long，形容词，长，比较级是longer，最高级是longest。第一空根据"much"和"than"可知应用形容词的比较级，空格处填longer；第二空根据"in China（在中国）"可知应该使用最高级，空格处填the longest。 故选：C。 6.A 7.B 8.A 9.D 10.A 二、11.length 12.bottom 13.protect 14.farthest 15.ancient 16.below 17.measurement 18.surface 19.civilizations 20.development 三、21.Some parts of 22.the second tallest 23.the wiser 24.square kilometers 25.below sea level 四、26.to 27.oldest 28.Chinese 29.development 30.because 31.of 32.running 33.feeds 34.cities 35.clearer 第1页，共1页 学科网（北京）股份有限公司 $