问题是:When was the alarm clock invented?闹钟是什么时候发明的?回答:公元前1500年,埃及人发明刻漏时就已经有了闹钟.---历史上的计时划分和计时器发明 公元前20000年:史前人以在木棍和骨头上刻标记的方式来计时.公元前8000年:埃及人制订了每年12个月,每月均为 30天的历法.公元前3000年:两河流域的苏美尔人...
百度试题 结果1 题目1.闹钟是什么时候发明的?Whenthe alarm clock? 相关知识点: 试题来源: 解析 was, invented 反馈 收藏
However, many years ago there were no clocks and knowing the time was not so easy. Over the centuries people have developed different ways of telling the time. About 5,500 years ago, the Egyptians invented the sun clock. This was a tall stone building. Its shadow (影子) showed the ...
如:I have to finish my homework by 9 o'clock. 我必须在 9 点前完成作业。 在被动语态中引出动作的执行者。如:The window was broken by Tom. 窗户是被汤姆打破的。 make 的用法 make sb. /sth. + 形容词 意为 “使某人 / 某物……”。如:The news made us happy. 这个消息使我们很高兴。
She stayed there until 9 o’clock. 她一直等到9点钟。 We waited until the rain stopped. 我们等到雨停了。 (2) until用在肯定句中,多与持续性的动词连用。如:stand/wait/stay等,表示主句动作的终止时间。 (3) until可用于否定句中,...
Whenthe alarm clock?2.直到1660年,茶叶才出现在英国。In England, tea didn'taround1660.3.作为世界上最为流行的饮料,茶是被人们意外发明的。Tea,drink in theworld,was invented4.我们的家长建议我们不要单独外出。Our parentsus not to go out5.不同作家把这本书翻译成了不同的语言。Different writersthe ...
When and by whom were the watches or clocks invented? Perhaps nobody knows. How could we tell time if there were no watches or clocks anywhere in the world? The sun was probably the world’s first “clock”, except in the far north, where the Eskimos live. There, it’s dark most ...
D.The water clock told the time by the water level in the bowls. 【5】What's the main idea of the passage? A.Something about sundials.B.How to tell the time by looking at the sun. C.How to tell the time in the past.D.Some inventions in China....
D.The water clock told the time by the water level in the bowls. 【5】What's the main idea of the passage? A.Something about sundials.B.How to tell the time by looking at the sun. C.How to tell the time in the past.D.Some inventions in China....
Unit 6 When was it invented 语法 一般过去时的被动语态 1.一般过去时的标志词 last week上周 last month上个月 last year去年 last night 昨天晚上 three years