题目内容
根据课文填空
Water had also appeared on other planets like Mars but, 1 the earth,it had 2 later. It was not immediately obvious 3 water was to be 4 to the development of life. 5 many scientists believe is that the continued 6 of water allowed the earth to dissolve 7 gases and acids into the oceans and seas. This produced a 8 reaction, 9 made 10 possible for life to develop.
【小题1】unlike
【小题2】disappeared
【小题3】that
【小题4】fundamental
【小题5】what
【小题6】presence
【小题7】harmful
【小题8】chain
【小题9】which
【小题10】it
解析
练习册系列答案
相关题目