The number of permanent crew on the
International Space Station will be increased, and possibly doubled, from 2006
by providing it with an extra "lifeboat". The move, announced in Japan last week
by the ISS partner nations, means the space station crew will at last be able to
do useful scientific research. The number of crew on the ISS has
been limited to three by the capacity of the Russian Soyuz capsules that would
return them to Earth in an emergency. But running the ISS requires the full-time
attention of more than two crew members, leaving just half the time of one of
the crew free for research. This is woefully inadequate, and a NASA-commissioned
report concluded in July that no meaningful research is possible with a
three-person crew. NASA originally planned to replace the Soyuz
rescue capsule with a seven-person "cr A. a crew of six is ideal for ISS B. now crew at the ISS don’t have adequate equipment to do research C. at present crew at the ISS do very little scientific research D. the ISS headquarters moved to Japan last week
更多"Passage Five
The number o"的相关试题:
[单项选择] Passage Five
The number of permanent crew on the
International Space Station will be increased, and possibly doubled, from 2006
by providing it with an extra "lifeboat". The move, announced in Japan last week
by the ISS partner nations, means the space station crew will at last be able to
do useful scientific research. The number of crew on the ISS has
been limited to three by the capacity of the Russian Soyuz capsules that would
return them to Earth in an emergency. But running the ISS requires the full-time
attention of more than two crew members, leaving just half the time of one of
the crew free for research. This is woefully inadequate, and a NASA-commissioned
report concluded in July that no meaningful research is possible with a
three-person crew. NASA originally planned to replace the Soyuz
rescue capsule with a seven-person "cr A. Because the Russian Soyuz capsules can’t manage more. B. Because the ISS has only enough room for three people. C. Because three people are quite enough to run the ISS. D. Because NASA commissions report to limit the number to three.
[填空题]This passage outlines five strategies for making parents wise consumers.
[单项选择] Passage Five
International ocean shipping
constitutes a highly significant aspect of world economic and political
relationships. The rapid growth in world trade and the emergence of new national
entities in the last 30 years have further emphasized the role of international
shipping. Because of the generally free environment in which it has operated,
the industry is highly mobile and flexible—characteristics that, together with
technological progress, have facilitated the rapid growth in world
trade. In recent years, however, there have been several
technological and institutional developments that are likely to have major
efforts on the industry. One of the latter is the aggregation of conventions and
practices known as the Law of the Sea, which has been discussed in the United
Nations Conference on the Law of the Sea since 1958. The third A. consists of a lot of different aspects B. has been playing indispensable role in the world trade C. has generally its own free specific business environment D. has been playing an ever more significant role in the growth of world trade
[单项选择] Passage Five
Some modern anthropologists hold that
biological evolution has shaped not only human morphology but also human
behavior. The role those anthropologists ascribe to evolution is not of
dictating the details of human behavior but one of imposing constraints-ways of
feeling, thinking, and acting that "come naturally" in archetypal situations in
any culture. Our "frailties" --emotions and motives such as rage, fear, greed,
gluttony, joy, lust, love--may be a very mixed assortment, but they share at
least one immediate quality: we are, as we say, "in the grip" of them. And thus
they give us our sense of constraints. Unhappily, some of those
frailties--our need for ever-increasing security among them--are presently
maladaptive. Yet beneath the overlay of cultural detail, they, too, are said to
be biological in direction, and therefore A. a position on the foundations of human behavior and on what those foundations imply B. a theory outlining the parallel development of human morphology and of human behavior C. a diagnostic test for separating biologically determined behavior patterns from culture- specific detail D. a practical method for resisting the pressures of biologically determined drives
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