—That's too bad.We need to be careful about how to use plastic products. A. throw B. are throwing C. are thrown D. have been thrown答案根据题干,可知主语是动作的承受者,用被动语态。由Every year可知时态是一般现在时,主语bottles是复数形式,接are+过去分词。故选:C。
Pigs are found in every part of the world. They serve many useful purposes. They can work as guards like dogs. In the United States, two pigs were kept to guard the gate on the farm, which worked really well. A. 根据短文内容简要回答问题。1. According to the passage, what good qualit...
Tells 30. In western countries, ___ are thrown away each day. A. mountains of rubbish B. mountains of rubbishes C. a lot of rubbish D. a lot of rubbishes 31. He is trying to explain how ___ began on the earth. A. life B. lives C. the life D. a life 28. At the age o...
求矩阵的解,A为4阶魔方阵,。【提示】由rref可以看出A不满秩,b不在A的值空间中,方程没有准确解。但可求最小二乘近似解。【目的】A不满秩,b不在A的值空间中,方程没有准确解。【解答】(1)借助增广矩阵用指令rref求解
该句为主系表结构,其中it为形式主语,真正的主语为后面的主语从句how much perfectly good food is thrown away。在主语从句中,how much perfectly good food为主语,表示“这么多可食用的优质食物”,is thrown away为谓语,表示“被丢弃”。破折号后面的from...to...结构为插入语,对主语从句进行补充说明,表示食物...
because many people in the world don’t have enough to eat. To eat healthily, we shouldn’t eat junk food but healthy food. It’s good for our health to eat a balanced diet. We’d better not eat in small restaurants. The food and the oil they use are not clean or healthy enough...
[Pink Floyd] have very simple songs, without unnecessary complexity, and I think that's given them a timeless quality," he wrote. And he – among many others – took those values to heart in much of his own work. "It wouldn't be overstating to say thatAnimalsis responsible in many ...
The workers there looked after lost or unwanted cats and dogs. Today the center is part of the zoo, but now many other kinds of animals are helped there, too. The changes to the center began in 1977 when a raccoon(浣熊)needed help. One of its front paws(爪子)had been badly hurt....
Address the emotions behind hoarding.When people do anything extreme, including hoarding, there are often unresolved emotions manifesting in the extreme behavior. Many people turn to “stuff” as a way to feel better, more secure, or more loved, but this approach can backfire. In some cases, ...
(DRC). Sudan. Chad. Five of the world’s least stable nations, as ranked by the Washington, D.C.-based organization the Fund for Peace, are home to people who travel to other countries to kill elephants. Year after year, the path to many of the biggest, most horrific elephant ...