...ouple of studies suggesting they are increasing their song output at night and during the day they are still singing. Singing is a costly behaviour and it takes energy. So by increasing their song output, there might be some costs of energy. ”我对其中的Singing is a costly behaviour不理解...
...;Sinicization I can think of, that of the Qing dynasty and the wider Manchu ethnicity, occurred from the late 17th century on, as Manchus living in China were assimilated into their environment while the Manchu homeland directly adjoining&n...
...可将从句的主语和动词be省略.如下：He is a man of few words, and seldom speaks until he is spoken to.省略后为：He is a man of few words, and seldom speaks until spoken to.http://www.yygrammar.com/Article/201203/2791.html
...mplies that 'the meaning of a performance is created by the performers and the spectators together, in a joint act of understanding'.这意味着“表演的意义是由表演者和观众共同创造的，是一种理解的共同行为”。(a joint act) of understanding 理解的一种...
VOA:We actually have unfortunately you know a racist and sexist labor market in the United States and we should use whatever policy tools thatwe have in order to correct that problem. But not everyone agrees.麻烦老师讲解一下这句中的whatever用法，可否看作形容词修饰policy tools...
We shook hands. I felt so shy that I could think of nothing to say, but Mrs. Strickland came to my rescue. She asked me what I had been doing with myself during the summer, and with this help I managed to make some conversation till tea was brought in. The Colonel asked for a whisky-and-soda."You'd ...
...used
at birth.出生的时候头骨结合得并不紧密。韦氏：Dreams and reality fuse (together) in her
latest film. = Dreams fuse with reality in her latest film.在她的最新影片中，梦想和现实融合在一起。这四个句子是否可以改写成：Our different ideas are fused in...
...对吗）：Like Faith, who often forgets
her backpack in
the cafeteria, and Lucy, who just wants a hug.附上下文如下：On a regular day, students
at the school sometimes come up to him to say they’re not feeling well or other
times to tell him about something that happened at break. He knows...
...014 FIFA World Cup was the 20th World Cup,which took place between June 12 and July13, 2014 in Brazil.It was the second time for the country to host the competition, the first being the 1950 FIFA World Cup.Brazil became the fifth country to have host the FIFA World Cup twice,after Mexico,Italy,Franc...
...tant to remember that an energy crisis is approaching at supersonic speeds and will soon be upon us. In order to inaugurate a new era in energy, we must act quickly and work toward international collaboration to find the most effective solutions to our energy problems.请问粗体字部分为什么...
...rating our 50th anniversary. We begin on
1st June with Manchester Camerata and Nicola Benedetti, presenting an amazing
programme of Mozart pieces.这是2021年新高考英语全国卷2的阅读理解A的第一段。按意思来看，下面句子中的现在进行时和一般现在时都是表示将...
...added that it also prevents them from being able to contribute to society, and the economy, and they would have in a healthier environment.原文翻译为：发育迟缓的儿童在学校里表现不佳。如果这些孩子营养充足，他们本可以得到一份更好的工作，但是由于他...
...ls of wealthy families, best friends from Auburn, N. Y.—Dorothy
Woodruff and Rosamond Underwood—traveled to a settlement in the Rocky Mountains
to teach in a one-room schoolhouse. The
girls had gone to Smith College. They wore expensive clothes. So for them
to move to Elkhead, Colo. to instruct ...
...ance, where wild rabbits are not generally regarded as a pest but as sport and a useful food supply, //and it spread to Britain where wild rabbits are regarded as a pest //but where domesticated rabbits, equally susceptible to the disease, are the basis of a profitable fur industry.为什么第一...