At the beginning of the 20th century, when environmentalists(环保意识) at an early age.In America, when people say "man's best friend", they don't talk about another person. Instead, they are talking about a lovely animal-a dog! These words show the friendship between people and ...
此处需用序数词修饰空后名词century,表示第十九世纪。故填nineteenth。 (5)题详解: 句意:电话由Alexander Graham Bell于1876年发明,可以让人们随时随地保持联系。此处是“被发明”,主语是单数The telephone,事件发生在过去,因此需用一般过去时的被动语态,结构为:was done。故填was invented。 (6)题详解: 句意:...
And around the beginning of the 20th century there were actually some primitive solar water heaters on the consumer market. But they didn’t sell very well. Any of you wanna guess why? Student A Well, there were other energy choices like oil and natural gas, right? Professor Yeah. And fo...
1() 14. - Mother's Day is on May 13th this year Do you know when i began in history?- It has been celebrated the beginning of the 20th century. A. sinceB. onC. at 2(A)21.Mother's Day is on May 13th this year. Do you know when it began in history?It has been celebrat...
Chinatown, hower er, is still as lively as erer.1. When di d th e first Chines e immigrants com e to L ondon?How many Chines e peopl e wer e ther e in Britain at t h e beginning of th e 20th century?3. What happene d in London in th e 1950s?4. What di d Chines e ...
Anybody 3. The meat on the plate ___ so delicious. Let’s try it together. A. smells B. sounds C. sees D. feels 4. ___ is said that the zipper was invented by Whitcomb Judson. A. That B. It C. This D. Which 5. —The earthquake destroyed most of the buildings i...
618. At the beginning of the 20th century, the American mathematician Mark Barr gave it the name phi, pronounced fee, after the Greek sculptor Phidias.The golden ratio exists when a line is divided into two parts and the longer section(a)divided by the smaller sect...
Keeping a diary in English is one of the(effective) ways to improve our English writing ability.8. During the end of the 19th century and the beginning of 20th century, Beijing Oper a finally formed and became the(big) of all operas in China.9. In fact, people are much(close) to ...
13.Which of the following is RIGHT? A.The truck driver hurt himself.B.The woman hurt herself.C.The car was broken. 14.From the story we know that Mr. Smith is a ___ man. A.kind.B.bad.C.rich. 15.Mr. S...
a常见的高吸油树脂主要有丙烯酸酯类树脂和烯烃类树脂两大类。 Common blots the resin mainly to have the acrylic acid ester resin and the alkene class resin two big kinds high.[translate] abalanced at the beginning of the power perturbation, that is 在力量扰动初平衡,那是[translate] ...