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填空题
There is a ____（关系，联系）between the moon and the tides.
参考答案
参考解析
解析：
句意：月球和潮水的涨退有联系。relationship“联系，关系”，常与between，to搭配使用”。
句意：月球和潮水的涨退有联系。relationship“联系，关系”，常与between，to搭配使用”。
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考题
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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Priming of the tides occurs ______.A.at times of new and full MoonB.when the Earth, Moon, and Sun are lying approximately on the same lineC.when the Moon is between first quarter and full and between third quarter and newD.when the Moon is between new and first quarter and between full and third quarter
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Spring tides occur______．A.when the moon is new or fullB.when the moon and sun have declination of the same nameC.only when the moon and sun are on the same sides of the earthD.at the beginning of spring when the sun is over the equator
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The average time between two high waters is 12 hours and 25 minutes because this is the time it takes for____.A.The sun to be at the opposite side of the moonB.The moon to be at the opposite side of the earthC.The moon to be at its apogeeD.The sun and the moon to be on the same side
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考题
Which statement is TRUE concerning equatorial tides ________．A.They occur when the Sun is at minimum declination north or southB.They occur when the Moon is at maximum declination north or southC.The difference in height between consecutive high or low tides is at a minimumD.They are used as the basis for the vulgar establishment of the port
考题
共用题干
Weight on and off the Earth We are so used to.our life on the surface of the earth that it can be quite an effort for our mind to break free of all the ideas that we take for granted.Because we can feel that things are heavy,we think of "weight"as being a fixed quality in an object,but it is not really fixed at all.If you could take a one-pound packet of butter 4,000 miles out from the earth,it would weigh only a quarter of a pound. Why would things weigh only a quarter as much as they do at the surface of the earth if we took them 4,000 miles out into space?The reason is this:all objects have a natural attraction for all other objects;this is called gravitational attraction.But this power of attraction between two obects gets weaker as they get farther apart.When the butter was at the surface of the earth,it was 4,000 miles from the center.When we took the butter 4,000 miles out,it was 8,000 miles from the center,which is twice the distance.If you double the distance between two objects,their gravitational attraction decreases two times two.If you treble the distance, it gets nine times weaker(three times three)and so on. So this is one of the first things we need to remember that the weight of an object in space is not the same as its weight on the surface of the earth. What about the weight of our pound of butter on the surface of the moon?At the distance the puii of the earth is about 4,000 times smaller than it is here on the surface,so we can forget all about the earth-pull on our butter. On the other hand,on the moon there will be an attraction between the butter and the moon,but the butter will weigh only about one-sixth as much as it does on the earth.This is because the moon is so much smaller than the earth.The amount of gravitational pull that a body produces depends on the amount of material in it.A packet of butter has a gravitational pull of its own;but this is very small in relation to the pull of something as large as the moon,or the earth,or the sun.According to the passage,"weight"should be understood in the sense thatA:it is fixed if it is outside the earth's gravitational puliB:it decreases four times when it is 4,000 miles from the earth's centerC:it varies with the change of the gravitational attraction between two objectsD:things increase in amount as they are closer to the earth's surface
考题
若想连接字符串"Zang"，"Zoom"和"Moon"，可使用哪种形式（）A、"bang"，"Zoom"，"Moon"B、"bangZoomMoon"C、"bang""Zoom""Moon"D、"bang"+"Zoom"+"Moon"
考题
单选题Neap tides occur when the（）.A
Moon is in its first quarter and third quarter phasesB
Sun and Moon are on opposite sides of the EarthC
Moon's declination is maximum and opposite to that of the SunD
Sun and Moon are in conjunction
考题
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It is difficult to determine which limb of the Moon is fully illuminated（）.A
when the Moon is low in the sky at rising or settingB
at the new Moon phaseC
when taking Moon sights during daylightD
when the terminator is nearly vertical
考题
单选题A
Trips to the moon.B
Trips in the moon’s orbit.C
Trips within the earth’s orbit.D
Trips to the Mars.
考题
单选题若想连接字符串"Zang"，"Zoom"和"Moon"，可使用哪种形式（）A
bang，Zoom，MoonB
bangZoomMoonC
bangZoomMoonD
bang+Zoom+Moon
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单选题Although the Moon has not held great prominence in the history of religion, the veneration of the Moon by some societies has been practiced since early times.A
magic of B
symbol for C
worship of D
dependence on
考题
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
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
考题
单选题Priming of the tides occurs（）.A
at times of new and full MoonB
when the Earth，Moon，and Sun are lying approximately on the same lineC
when the Moon is between first quarter and full and between third quarter and newD
when the Moon is between new and first quarter and between full and third quarter
考题
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
考题
单选题Spring tides occur（）.A
when the moon is new or fullB
when the moon and sun have declination of the same nameC
only when the moon and sun are on the same sides of the earthD
at the beginning of spring when the sun is over the equator
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