2014年新人教版九年级英语unit7课文知识点讲解(4)

( )37. Comets have long tail like ________, so we call them comets.

A. long hair B. round heads C. round dishes D. wide wings

( )38. From the passage we know the tails of comets are made of ________.

A. water B. solid C. gas D. small stones

( )39. The underlined word “astronomers” may mean ________ in Chinese . A. 心理学家 B.艺术家 C. 天文学家 D. 考古专家

( )40. Which of the following is TRUE ?

A. A comet is a kind of planets.

B. Comets are all ten times as big as the earth. C. People can hardly see comets.

D. Shooting stars may come from the broken comets.

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