We can learn from the article that ________.

试卷相关题目

• 1By 1889, the bison population was ________.

  A.about 30 million

  B.fewer than a thousand

  C.about 60 million

  D.several hundred thousand

  开始考试点击查看答案
• 2What is the meaning of “interdependent ecosystem” in the first line、

  A.All things in a prairie region depend on one another.

  B.Animals live on plants in a prairie region.

  C.Fire plays an important role in a prairie region.

  D.Soil has a close relationship with a praide region.

  开始考试点击查看答案
• 3A prairie is a type of ________.

  A.plants

  B.animals

  C.grassland

  D.soil

  开始考试点击查看答案
• 4What does the writer mainly tell us？

  A.Exercise is important and should be part of your daily life.

  B.A good exercise program can help you a lot to keep healthy.

  C.Exercise can improve your strength and blood circulation.

  D.Start to make an exercise program when you are out of shap

  开始考试点击查看答案
• 5Which of the following is low-intensity activities、

  A.swimming

  B.jumping rope

  C.weightlifting

  D.climbing stairs

  开始考试点击查看答案