The passage is mainly about ______. A: the development of space' technology B: the obstacles and prospects of space transportation C: the public interests in space travel D: the growth of space business

According to the text, the fact that an artificial heart containing space technology will soon beat inside a person is exciting.( )

What<br/>are space agencies and companies aiming to do at present?() A: Recycle used space vehicles before they turn into debris. B: Develop technology to address the space debris problem. C: Limit the amount of debris entering space. D: Cooperate closely to retrieve space debris.

1. Reaching it requires the same kind of methods, technology and expertise required for exploring space. 2. Yet despite the similarity in how we employ technology to explore both the ocean and space, there is a great disparity between the amount of funding put toward space exploration and ocean exploration. 3. There are no doubt countless discoveries to be made under the surface of the sea

When Ronald Reagan became president in 1982,he wanted to beat the Soviet Union in the space technology race and he initiated the Star Wars project. 答

心理学的英文单词是( )。 A: Pedagogy B: Philosophy C: Physics D: Psychology

The author mentions hearing aids and television cameras as examples of ______. A: spin-offs from the technology required to make miniature durable instruments for space flight B: important applications of space research in industry C: inventions by aerospace scientists in England D: ways to enhance the benefits of the systems approach

As an economic and technological giant in the world, the United States ranks first in such advanced fields as computers, ______ , nuclear energy, and electronics. A: mining B: space technology C: insurance D: banking

What are space agencies and companies aiming to do at present? 未知类型：{'label': 'questionDesc', 'content': '请根据材料选择正确答案。', 'isMemberControl': 0, 'type': 181} 未知类型：{'label': 'source', 'content': '2019年6月 六级 卷二 仔细阅读2', 'isMemberControl': 0, 'type': 181} A: Recycle used space vehicles before they turn into debris. B: Develop technology to address the space debris problem. C: Limit the amount of debris entering space. D: Cooperate closely to retrieve space debris.

There are millions of stars in______ A: space B: a space C: the space