The moon’s surface gravity is only about____as strong as the earth’s surface gravity.
相似题目
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What is the purpose of the limit switch on gravity davits?（）
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A plane that cuts the Earth’s surface and passes through the poles will always form（）.
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Swell is the rise and fall of the ocean’s surface due to（）.
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A plane that cuts the Earth’s surface at any angle and passes through the center will always form（）.
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Most drill ships and barges have a walled opening below the derrick，open to the water’s surface and through which various drilling tools can pass down to the sea floor called a （）.
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A vertical shife of weight to a position above the vessel''s center of gravity will（）.
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The effects of free surface on a vessel’s initial stability do NOT depend upon the（）.
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The points on the earth’s surface where the magnetic dip is 90° are（）.
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0n a vessel,multipiying a load’s weight by the distance of the load’s center of gravity above the baseline results in a(n)（）.
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A plane perpendicular to the polar axis will never form what line on the Earth’s surface? （）
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Aboard a ship，multiplying a load’s weight by the distance of the load’s center of gravity from the centerline results in the load’s（）.
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Specific gravity is a number representing the ratio of a mineral’s weight to the weight of an equal volume of ( ).
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This aesthetic(美感) is just the surface of Apple’s deeper design principle: that ___________-edge technology should be easy to use.
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______, Chinese people celebrate the Mid Autumn Festival by enjoying the full moon and eating moon cakes.
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The moon changes from a new moon to a full moon in around 29 days.
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The first astronaut to walk on the moon, Neil Armstrong said, ”That’s one small ________ for man; one giant _________ for mankind.”
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______from the moon , our earth , with water_____seventy percent of its surface, appear as a "blue ball".
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__________most of the earth‘s surface is covered by water， fresh water is very rare and precious．
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Once out of the earth’s gravity, the astronaut is ________ by the problem of weightlessness.
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It has been estimated that the earth’s surface temperature has increased ________ one quarter to three quarters of a degree since 1805.
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Have you ever dreamed of traveling in space？ It was impossible a hundred years ago, nor was it 50 years ago. With the coming of the Space Age, man’ s dream of visiting the moon has come true.
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Aboard a vessel, multiplying a load’s weight by the distance of the load’s center of gravity from the mid-ship section results in the load’s ______.
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General Electric's Visilog is being developed, hopefully, to permit a planned moon-probe rocket to make a soft landing on the moon's surface.
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英语翻译 oh,love s in the air it s everywhere everyone can see everyone can feel that love s in the air it doesn t matter where everyone agrees love is all we need when the moon falls in your eyes i know the sun has set the fire still burns within me since the day we met i know my heaven would be so complete you could make it real i won t let this change go by i can see, i can feel you when the moon falls in your eyes i know the sun has set the fire still burns within me,within me
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