一、找出画线部分读音与其他三个不同的选项
()1. A. partner B. winner C. cancer D. think
()2. A. against B. challenge C. emergency D. technology
()3. A. penguin B. hungry C. angry D. hang
()4. A. positive B. video C. concert D. impossible
()5. A. public B. hunt C. industry D. butterfly

1 - 5 DADBC

二、用括号内所给词的适当形式填空
6. This book is really ________ (education). Students can learn a lot from it.
7. She ________ (pass) all the tests and became the ________ (win) of the competition.
8. The young professor Gui Haichao got the chance to go into ________ (out) space through hard training.
9. I spent one night's time making some ________ (video) about the story to take part in the "Tell China's Stories" competition.
10. 一语辨异 Yesterday's weather was ________ than today's, but last week's storm was the ________ of all. (bad)

6. educational【点拨】根据“Students can learn a lot from it.”可知，此处表示这本书非常具有教育意义，结合所给单词，此处应用 educational。
7. passed; winner【点拨】根据“became”可知，时态是一般过去时，第一空填动词过去式 passed；由“the”可知，第二空填名词 winner。
8. outer【点拨】outer space 意为“外太空”。
9. videos【点拨】根据“some”可知此处填写 video 的复数 videos。
10. worse; worst【点拨】第一空由“than”可知，用 bad 的比较级；第二空由前面的定冠词“the”可知，用 bad 的最高级。

三、从方框中选择合适的单词并用其适当形式填空
traffic long positive technology shall
11. The of the report must be at least 5 minutes.
12. Training your mind to think is a good way to live happily.
13. Luckily, we're in the age of AI . Everything can be smart.
14. we buy some colourful stars and flowers to decorate the house, Mum?
15. There is so much on the road today that I am late for school.

11. length 12. positively 13. technology 14. Shall 15. traffic

四、根据汉语意思补全句子
16. 植树是应对气候变化的一种高效的方法。
Planting trees is an way to fight .
17. 他们正在讨论如何解决污染问题。
They are discussing the pollution problems.
18. 森林面积变得越来越小，所以动物们赖以生存的土地越来越少。
The forest area is becoming smaller and smaller, so animals to live on.
19. 新素材 未来，无人机可能会在繁忙的城市里接管包裹配送的工作。
In the future, drones might the job of delivering packages in busy cities.
20. 如果科学家找到治愈癌症的方法，更多人就能活到100岁。
If scientists find , more people can .

16. efficient; climate change
17. how to solve
18. have less land
19. take over
20. a cure for cancer; live to be one hundred years old