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题型:选词填空(多句) 题类:常考题 难易度:普通

仁爱科普版九年级上Unit 4 Amazing Science Topic 1 When was it invented?同步练习1

用方框中所给的词填空。

man-made, explorer, exploring, system, mark

(1)、An  is such a person who travels to make discoveries in the forests, mountains, under the sea, and in space etc.

(2)、I've put a  on the map where the thieves may be hiding.

(3)、The earth is one of planets in solar .

(4)、 satellites move around the earth just like a small planet.

(5)、Scientists are  the outer space now.

举一反三
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