When were the first modem traffic lights invented?A: In 1903.B: In 1908.C: In 1912. 相关知识点: 试题来源: 解析 C正确率: 52%, 易错项: B 根据W 所说 In 1912, a policeman called Lester Wire invented the electric traffic lights. 可知,交通信号灯是在1912年被发明的。故正确答案为C。
Unit 6 When was it invented? (基础) 语法填空 A The first bike appeared over 200 years ago. At that time it 1.___(call) “the horse on wheels”. 2.___(late), the bike became very popular. People liked bikes 3.___ they were not as expensive as horses. They wouldn'...
Picture b: The personal computers were invented in nineteen seventy-six. 4. 听第二遍,填空。 Alice: Was your life very difficult when you were a kid? Grandma: Oh, not really. Why? Alice: Well, you didn’t have modern inventions like a , right? Grandma: Of course we did! How old...
5 toseemydoctorandonedaywhenIreturnedtheywerejust 6 theirapartmentand thelittlegirlwas 7 theoutsidedooropenfor theothers.I 8 inthecardoing 9 things becauseI wasn?teagertobesnubbed (冷落 ) again.Finally,Igotoutofmycarandwalkedtowardsthedoor.Theparentsweretellingherto 10 togetintothecar,butthelitt...
Telephone, calculator, car, personal computer, TV, light bulb, alarm, clock, microwave oven, electric slipper. Teacher: There are many useful things in the world. They help us a lot in life. (Show some pictures on the screen) When were they invented?Students: ___.①The telephone was ...
traffic lights. The idea of having a third “warning” light, was also patented by African-American inventor, businessman Garrett Augustus Morgan, Sr. in the year 1923. In the 1920’s, several automated traffic signals were installed in major cities around the world. The modern traffic light...
So next time you're impatiently waiting at a traffic light, don't get so mad at them;they've certainly come a long way. 依据资料内容 最正确答案。 36.What were traffic signals for before traffic lights for cars? 5 九年级英语全册 Unit6Whenwasitinvented 单元综合检测题(含答案) A...
Picture c: The TV was invented around nineteen twenty-seven. Picture b: The personal computers were invented in nineteen seventy-six. 4. 听第二遍,填空。 Alice: Was your life very difficult when you were a kid? Grandma: Oh, not really. Why? Alice: Well, you didn’t have modern ...
过去进行时与简单when while词汇带案例.pdf,Past continuous Past continuous vs. past simple, when/ while Vocabulary: phrases with get Read and listen Match the words in the box with the pictures. Write 1–8 in the boxes. 1 crisps 2 traffic lights 3 wig 4 ca
She had to work 1 than other kids when she was young because her parents were in bad health. Although she had to leave school to look after her parents, she never stopped 2 . At the age of 22, she was admitted to a college (考上大学). 3 her family couldn't pay for the tuition...