Page 463 - Grammar Explorer 2 - demo

First-ever image of Earth from
space, sent by Voyager 1

2 CHECK. Read the statements. Circle T for true or F for false.

1. Valentina Tereshkova was the first woman in space. T F

2. In the beginning, many people thought that space exploration T F
was too expensive.

3. Some politicians think that problems on Earth are more important T F
than exploring space.

4. Scientists believe that space travel has had practical benefits. T F

5. Carl Sagan thought that we should not explore space. T F

3 DISCOVER. Complete the exercises to learn about the grammar in this lesson.

A Circle the forms of say or tell in each of these sentences from the blog in exercise 1. Underline
the clause or sentence that follows.

1. My grandmother told me that it was an incredible moment.

2. . . . Neil Armstrong said, “That’s one small step for a man, one giant leap for mankind.”

3. . . . , scientists tell us that we have learned a lot from space travel.

4. Some people even say the survival of humankind may depend on space exploration.

5. Carl Sagan said, “We have a basic responsibility to our species to venture to other worlds.”

B Look at the words you underlined in exercise A. Write the sentence numbers on the lines
to complete the statements.

1. Sentences 2 and give the speaker’s exact words.

2. Sentences , , and have noun clauses.

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