第II卷非选择题（满分50分） 第二节（共10小题；每小题1.5分，满分15分） 阅读下面材料，按照句子结构的语法和上下文的连贯性要求，在空格处填入适当的内容（1 个词）或使用括号中的词语的正确形
In science fiction, space is described 61 empty but things are different. Since the Soviet Union launched 62 （it） first artificial satellite in 1957, people 63 （leave） behind 500000 items of rubbish in
the space, most of 64 are smaller than a tennis ball but still threaten the 65 （safe） of exploring the space. In fact, European scientists say that even if we quit launching stuff into space all together, the amount of space junk will still increase because of existing pieces 66 （hit） each other. "Imagine 67 dangerous sailing the high seas would be if all the ships ever lost in history were still floating on top of the water," says Jan Womer, European Space Agency （ESA） director. The agency plans on launching 68 world's first orbiting trash collector, a four-armed robot that will clean up space waste 69 （effective）. If everything works as planned, some trash can 70 （drag） out of orbit and bum up in the atmosphere.
61. as 62. its 63. have left 64. whicii 65 safety
66. hitting 67.how &8. the 69. efteutively 70. De dragged
In science fiction, space is described 61 empty but things are different. Since the Soviet Union launched 62 （it） first artificial satellite in 1957, people 63 （leave） behind 500000 items of rubbish in
the space, most of 64 are smaller than a tennis ball but still threaten the 65 （safe） of exploring the space. In fact, European scientists say that even if we quit launching stuff into space all together, the amount of space junk will still increase because of existing pieces 66 （hit） each other. "Imagine 67 dangerous sailing the high seas would be if all the ships ever lost in history were still floating on top of the water," says Jan Womer, European Space Agency （ESA） director. The agency plans on launching 68 world's first orbiting trash collector, a four-armed robot that will clean up space waste 69 （effective）. If everything works as planned, some trash can 70 （drag） out of orbit and bum up in the atmosphere.
61. as 62. its 63. have left 64. whicii 65 safety
66. hitting 67.how &8. the 69. efteutively 70. De dragged
