/ invented 2.drunk 3. produced 4. brought 5. traded 1.考查一般过去的被动语态.主语+was/ were done,根据题意为 “偶然发明” 2、考查一般过去的被动语态,根据题意可知大约5000多年前,神 农最先喝了茶.所以用 drink的过去分间+ drunk. 3、考查一般过去的被动语态.根据题意可知茶叶掉进热水里,发 出一...
Do you want to know how tea was invented?【高分句型一】(引出话题) It is said that tea was invented by Shen Nong. One day, Shen Nong was boiling wate r over an open fire. Some leaves from a tea p lant fell into the water and remained there fo r some time. Shen Nong noticed ...
the water clock, was designed to measure temporal hours at night. One of the first water clocks was a basin with a small hole near the bottom through which the water dripped out. The falling water
每日即兴英文演讲Describe a time that a piece of equipment of yours was broken 03:54 每日即兴英文演讲Have you ever worked in small businesses? 04:08 每日即兴英文演讲 Believe you can 04:18 每日英文即兴演讲 How can employees stay motivated in their careers? 05:02 每日英文即兴演讲 How ca...
Like the other Mars mission probes,China's spacecraft will take seven months to reach the red planet.Tianwen-1 will look for underground water and signs of possible ancient life .(1)The great cheer in the control room meant B.A.the Long March-5 rocket took offB.the Mars mission probe...
The Egyptians used water clocks, about 3,400 years ago. These clocks were popular in the Middle East and China, but they failed to keep accurate(精确的) time.In the 13th century, the mechanical clock was invented. This was more accurate,(7)was expensive to make. Over the next few ...
How did people tell the time before clocks were invented?At first, the ancient people looked up at the sun and could tell it was the middle of the day when the sun was directly overhead in the sky. They also knew when it was morning or evening. Later, the Egyptians used sticks. ...
But for centuries, water was the primary means of bathing. For example, in the Indus Valley Civilization— a culture that thrived in parts of what is now Pakistan, India and Afghanistan from 2600 to 1900 B.C. — the Great Bath in Mohenjo-daro is considered one of the earliest public ...
Necessity was the driving force for the change. Traditional toilets used lots of water, a commodity that was in short supply on a continent that has erratic rainfall and experiences frequent and prolonged droughts. The idea of evaluating waste to determine the most water-friendly way to getting ...
Only one of those products was a dryer sheet, however, and the only two toxic chemicals it gave off were ethanol (also known as alcohol) and alpha-pinene, a fragrance known to be a moderate irritant [source: Steinemann]. The amounts of these kinds of chemicals used on dryer sheets are...