A.Hard as my work is, I will try to meet the deadline.
B.I shall never do that again.
C.My sister will help figure it out.
D.This is what I have left for you.
第1题
A.Hard as my work is, I will try to meet the deadline.
B.I shall never do that again.
C.My sister will help figure it out.
D.This is what I have left for you.
第2题
Today, however, the original grassland associations of plants and animals have been almost completely destroyed by human settlement
One hundred years ago, the Great Plains grasslands were one vast, unbroken prairie AMuch of the prairie is now farmland, the most productive agricultural region in the world, dominated by monocultures of cereal grains BWheat, barley, soybeans, corn, and sunflowers occupy the land that was once prairie CIn areas given over to grazing lands for cattle and sheep, virtually all the major native grasses have been replaced by alien speciesD
A.Square A
B.Square B
C.Square C
D.Square D
第3题
The International Ladies Garment Workers Union increased its efforts to improve working conditions in factories.
A The ten-story Asch Building was a firetrap typical of the working conditions of the period, and the Triangle fire tragically illustrated that fire inspections and safety precautions were very inadequate.B The victims of the fire were trapped by the lack of fire escapes and by management's practice of locking the exit doors during work hours. The incident had a profound impact on women's unionism and job safety, affecting local and national politics in the process.C An era of progressive reform. began to sweep the nation, as people decided that government had a responsibility to ensure that private industry protected the welfare of workers.D There was a public outcry for laws to regulate workplace safety. The New York Factory Investigating Commission was formed to examine the conditions in factories throughout the state, and their report led to many new regulations in the years following the fire.
A.
B.
C.
D.
第4题
A.Due to the sun"s enormous mass, its gravity is strong enough to keep everything in the solar system in orbit around it.
B.The sun is actually an enormous star whose mass is equal to that of the entire solar system including all manner of matter.
C.The sun"s gravitational pull is so strong that it extends beyond the edges of the solar system into the Milky Way.
D.The sun is far greater in size than the Earth and it is responsible for the majority of the solar system"s mass.
第5题
A.Due to the sun's enormous mass, its gravity is strong enough to keep everything in the solar system in orbit around it.
B.The sun is actually an enormous star whose mass is equal to that of the entire solar system including all manner of matter.
C.The sun's gravitational pull is so strong that it extends beyond the edges of the solar system into the Milky Way.
D.The sun is far greater in size than the Earth and it is responsible for the majority of the solar system's mass.
第6题
第7题
A.It is about twice the pull of the moon.
B.It determines the time of high tide.
C.It determines the time of low tide.
D.It is about half the pull of the moon.
第8题
[A] corona.
[B] chromosphere.
[C] photosphere.
[D] core.
第9题
A.Tom is taller than his brother.
B.Cats are better pets than dogs.
C.The earth goes round the sun.
D.China has more people than USA.
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