( B )10. When was the camera invented? A. In 1872. B. In 1827. C. In 1728.( A )11. What drew people's attention when it was invented? A. The camera. B. The abacus(算盘). C. The chips.( B )12. When was the abacus invented by Chinese people? A. The fifth century. B...
( B )8. When was the camera invented? A. In the first half of the 19th century. B. In the second half of the 19th century. C. In the first half of the 20th century.A()9. What were invented at the end of the19th century? A. Zippers. B. Radios. C. Movies.(A()10. What...
But when was the camera invented? Chinese and Greek scientists were experimenting with light and color as early as the 4th century. The "camera" was first designed to watch solar eclipses(日食) without looking directly at them. 1.___. Today, you can fit a camera...
aWe must spare no pains to finish the task on time. We must spare no pains to finish the task on time.[translate] aFor practical reasons 为实用原因[translate] aY接法的优点: 对高压绕组而言最经济;可以有中性点供利用;允许直接接地或通过阻抗接地;允许降低中性点的绝缘水平(分级绝缘);可在每相中性...
The tricky thing about answering the question “When was the camera invented?” is that cameras have evolved from extremely rudimentary experiments in light to the technological digital marvels they are today. In this article, we will explore the history of the camera from the early camera obscura...
9.When was the camera invented?A.In 1839.B.In 1873.C.In 1927. 相关知识点: 试题来源: 解析 分析 略 解答 A 点评 略 分析总结。 试题答案相关练习册答案分析略解答a点评略一题一题找答案解析太慢了下载作业精灵直接查看整书答案解析立即下载练习册系列答案全能测控一本好卷系列答案黄冈小状元数学详解...
In 1884, George Eastman invented a kind of film that fitted back to a small camera to change photography and the new film was easy to use for many people, so they began to buy cameras. When they had used up their films, people sent their cameras back to the factory. The film was de...
( ) 1. When was the digital camera invented? ( ) 2. Why is that? ( ) 3. I bet cars weren't invented yet in 1876. ( ) 4. Life must have been hard when you were a child. ( ) 5. What are they used for? A. Well, it gives us more time to study every day. B. You ...
2 Guessing game Lead-in When was the camera invented? Louis Daguerre invented the camera in 1839. Use it when taking a trip Keep sweet memories A digital (数码的) product Take photos ? Who invented the camera? 3 Passive voice (past tense) 一般过去时的被动语态 Grammar Focus Louis Daguerre...
Unit_9_When_was_it_inventedA1 Unit9Whenwasitinvented?Warmingup carcomputer telephone TV(television)calculator alarmclock vacuumcleaner fridge umbrellabicycle binoculars lightbulbmicrowaveoven flyingdiskabacus camera digitalcamera telescope invented ThomasEdison(inventor)wereinventedby lightbulbs (invention)invented ...