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The sun heats the earth,（）is very important to living things.
Athat
Bwhat
Cwhich
Dwhere
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更多 “The sun heats the earth,（）is very important to living things.AthatBwhatCwhichDwhere” 相关考题
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All the other five planets ________.[A] always appear near the path of the sun[B] are moving in a way more complicated than the earth does[C] aren't moving around the sun as independently as the earth does[D] are moving around the sun at the same speed as the earth does
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Neap tides occur ______.A.at the start of spring, when the Sun is nearly over the equatorB.only when the Sun and Moon are on the same sides of the Earth and are nearly in lineC.when the Sun and Moon are at approximately 90°to each other, as seen from the EarthD.when the Sun , Moon, and Earth are nearly in line, regardless of alignment order
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Have you ever seen the man in the moon?If you look (11)______ at the moon on some nights. you can see the face of the man in the moon. Some people say that they can see an old man (12) ______ sticks. Others say a girl reading. These pictures are made by the mountains and plains of the moon.Long ago people in England used to tell their children that the moon was (13)______ green cheese. Everyone knows that this is not true. The moon is a large round rock. It is completely (14)______ . There are no trees and plants of any kind on the moon. There are no rivers and seas. There are no living things. It never rains on the moon，and everything is covered with (15)______ . white dust. Not even a (16)______ can be heard on the moon.Where the sun (17)______ on it，the moon is very hot. In the dark，however, it is cold (18) ______ ice. The moon is much smaller than the earth. It does not weigh as (19)______ as the earth. If you (20)______ to the moon，you would weigh six times less than you do. Even a fat man would be able to jump high off the ground.(11)A．closelyB．scarcelyC．dailyD．immediately
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A mean sun is used as the reference for solar time for three reasons. Which reason is NOT a cause for use of a mean sun?A.The motion of the apparent sun is along the eclipticB.Measurement of time is along the celestial equatorC.The speed of the Earth's revolution is not constantD.There are variations in the Earth's rotational speed
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Due to the tilt of Neptune's axis,the Sun heats the planet's northern and southemhemispheres unequally.A:climates
B:halves
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VIP是以下哪组词的翻译。（）A、Very important placeB、Very interesting personC、Very important personD、Very interesting place
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单选题Neap tides occur（）.A
At the start of spring，when the Sun is nearly over the equatorB
Only when the Sun and Moon are on the same sides of the Earth and are nearly in lineC
When the Sun and Moon are at approximately 90° to each other，as seen from the EarthD
When the Sun，Moon，and Earth are nearly in line，regardless of alignment order
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单选题As observed from the Earth，the angle between lines from the Earth to the Sun and the Earth to an inferior planet is known as（）.A
elongationB
conjunctionC
oppositionD
quadrature
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单选题Opposition occurs when（）.A
the Sun，Earth，and Moon are at right anglesB
the Sun's declination is 0°and is moving southC
an inferior planet is at the maximum angle to the line of sight to the SunD
the Earth is between a planet and the Sun
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单选题Spring tides occur（）.A
at the start of spring，when the Sun is nearly over the equatorB
only when the Sun and Moon are on the same side of the Earth and nearly in lineC
when the Sun and Moon are at approximately 90°to each other as seen from the EarthD
when the Sun，Moon，and Earth are nearly in line，in any order
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单选题Perihelion is the point where the Sun（）.A
is nearest to the EarthB
is farthest from the EarthC
is on the opposite side of the Earth from the MoonD
and Moon and Earth are in line
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单选题A mean sun is used as the reference for solar time for three reasons. Which reason is NOT a cause for use of a mean sun?（）A
The motion of the apparent sun is along the eclipticB
Measurement of time is along the celestial equatorC
The speed of the Earth's revolution is not constantD
There are variations in the Earth's rotational speed
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单选题Without the sun’s light _____ the earth’s surface, it would be so cold that life could not exist on the earth.A
warmsB
warmedC
warmingD
to warm
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单选题We learn from the passage that ______.A
all living things on the earth depend on the sun for their foodB
a forest looks dark in winter because it absorbs solar energyC
only 0.023 of the energy from the sun is made use of on the earthD
greenhouse gases allow heat energy to escape from the earth’ s surface
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单选题Aphelion is the point where the Sun（）.A
and Moon and Earth form a right angleB
and Moon and Earth are in lineC
crosses the celestial equatorD
is farthest from the Earth
考题
填空题Earth would not have developed without the Sun.____
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