《2025年华东师大版一课一练五年级英语上册沪教版54制》

Can dogs tell if you are sick or not? The answer is yes. Here is a dog doctor. Scientists from Australia (澳大利亚) are training dogs to detect (检测) virus (病毒) in people. The dogs can smell and find the right sweat (汗水) sample (样本). In the future, the dogs can work at airports and help to detect the virus.

答案： sick, yes, dogs, smell, future, work

(B)
Cloze (根据上下文内容选择最佳答案)
Different countries found different ways to keep students ____ 31 ____. In China, primary and ____ 32 ____ school students should ____ 33 ____ their masks to school. But they don’t need to wear masks in class. You can see lots of hand washing facilities (设施) on campus (校园). Students need to wash their hands ____ 34 ____ whenever they touch something ____ 35 ____.
In Denmark (丹麦), students take daily walks with the help of a ____ 36 ____. There is colorful tape on different parts of the rope. The tape tells the students where to stand so they can keep their distance (距离) from each other.
In the United Kingdom (英国), students have classes in small groups. The same group of students stay together for classes every day. This way, students have ____ 37 ____ communication (交流) with other students.
( ) 31. B A. happy B. safe C. unhealthy
( ) 32. C A. final B. beginning C. middle
( ) 33. A A. bring B. get C. keep
( ) 34. B A. careless B. carefully C. careful
( ) 35. A A. unclean B. clean C. dangerous
( ) 36. B A. stick B. rope C. mask
( ) 37. A A. less B. more C. much

答案： 31. B 32. C 33. A 34. B 35. A 36. B 37. A