【正文】
ccording to the passage: ( )1. The weather forms _______. A. in any part of the world B. in space C. in the atmosphere D. on the ground ( )2. Changing clouds in the atmosphere means ________. A. a rainy day B. the weather will change C. a windy day D. a sunny day CB ( ) satellites, scientists could forecast the weather for ________. A. one or two days B. three or five days C. only three days D. a week or more ( )4. What does the word “forecast” in the passage mean? A. 知道 C. 研究 D. 預(yù)報(bào) A D ( )5. The main idea of this passage is that satellites _______. A. can take pictures of the atmosphere B. are helpful in many ways C. are often used for receiving pictures of the atmosphere D. are now used in weather forecasting D Discuss: What else can satellites help us to do? 1. They can help us to send and receive messages。 2. They can help us to make telephones。 3. They can help us to know more about the universe。 4. They can help us to know more about the earth, and so on. Homework: Finish reading Passage 3 on the paper.