Livestock is responsible for an estimated one-third of all human-caused methane emissions, a potent greenhouse gas. And so, though Valeti loved to eat meat, he had become a vegetarian. But the scientist in him saw a solution. And his father, a veterinarian who loved animals, was an early...
The farmers began to kill the hawks. Many hawks were killed, but the farmers now had another problem. The field mice were growing in number and they were eating up the farmers’ corn. Hawks eat not only chickens but also field mice. They eat more field mice than chickens. But if the ...
A hen. C. Many chickens.( )2. How many eggs does the hen give the man every week? A. Only one. B. Three. C. Seven.( )3. What does the man want? A. He wants to get one egg every day. B. He wants to get more eggs every day. C. He wants to eat the eggs.( )4. ...
C.Killing the hen for more eggs. D. Killing the hen to eat. 5.Which of the following is not true? A.From then on the old woman gets no eggs. B.The hen is killed. C.The old woman is very clever. D.The old woman kills her hen with a knife. 答案 1.C 。 可以带着四个选...
In fact, hawks eat not only chickens but also field mice. And they eat more field mice than chickens. When the farmers killed lots of hawks, they changed the balance of nature (生态平衡).When people move into a new place, they often cut off many wild plants. ①Without ...
The farmers began to kill the hawks. Many hawks were killed, but the farmers now had another problem. The field mice were growing in number and they were eating up the farmers’ corn. Hawks eat not only chickens but also field mice. They eat more field mice than chickens. But if the ...
In another northern state wolves attack cows and chickens for food. Farmers want the United States government to send a team of scientists to study the problem. They believe it is necessary to kill wolves in some areas and to protect them in places where there is a small population. 1.In...
In another northern state, wolves kill cous an d chickens for food. Farmers believe it necessary to kil.wolves in some areas Against Killing Wolves According to most stories, hungry wolves ofter kill people for food. Even today, the stories of the "big b a d wolf" still spre a d among...
If the wolves continue to kill large numbers of deer, theirpreywill disappear some day. The wolves will, too. So we must change the cycle (循环) of life in the wild land. In another northern state, wolves kill cows and chickens for food. Farmers believe it necessary to kill wolves in...
The farmers began to kill the hawks. Many hawks were killed but the farmers now had another problem. The field mice were growing in number and they were eating up the farmers’ corn. Hawks eat not only chickens but also field mice. They eat more field mice than chickens. But if the ...