In Chinese, the planet Mars may 1        (name ) because of its red color. Mars is sometimes referred to as the " Red Planet". The name of the month March 2      ( come ) from Mars. Mars is the fourth planet from the Sun, and the seventh3     ( large ) of the eight planets. Mars is a small, rocky planet which is cold and 4      ( life) . Mars 5      (visit) first hv the spacecraft Mariner 4in 1965. Several others followed， 6      ( include ) the two Viking landers in 1976. After a long break,Mars

Pathfinder landed 7     ( successful) on Mars on July 4,1997.

1._______ 2.________ 3.     4._______

5.      6.      7._______  

  1. be named 2. comes 3. largest 4. lifeless 5. was visited 6. including 7. successfully

題目來源：仁愛英語同步練習(xí)簿九年級上下冊 > Topic 2 I'm excited about the things that will be discovered in future.

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