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(Page 129)
1. Complete the sentences with the correct form of the verbs in parentheses.
a. The United States (launch) _______ its first artificial satellite Explorer 1 in 1958.
b. NASA (prepare) _______ for another moon mission for many years.
c. He fell off the ladder while he (train) _______
d. The plane (take off) _______ for the program. in 20 minutes.
e. I think soon we (know) _______ more about the origin of life on Earth.
2. Read the paragraph and complete the notes.
The Rosetta mission is amazing in many ways. First of all, landing a spacecraft on a comet is not easy, but scientists at ESA did it. The comet was traveling very fast, and its shape was uneven. Nevertheless, Rosetta managed to land its device on the comet. Second, the mission's data will be useful for studies about life on Earth and other planets. It may help us understand the origin of life on our planet. I hope it will also prove that there may be life on other planets as well. Programs like the Rosetta mission encourage me to learn more about space.
a. The name of the mission: ______________________________________________
b. Two reasons the author thinks it is amazing:
Reason 1: ______________________________________________
Explanation: ______________________________________________
Reason 2: ______________________________________________
Explanation: ______________________________________________
c. Conclusion: ______________________________________________
3. Write a sheet of Say think about a space program. Write 80-100 words. Use the sample in 2 to help you.
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