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Which of us ______ knows something about physics does not know this？
A．who
B．what
C．whom
D．that
答案
更多“Which of us ______ knows something about physics does not know this？A．whoB．whatC．whomD．tha”相关的问题
第1题
Such a loss might be acceptable if light pollution were the inevitable price of progress , as it is not. Most sky glow is unnecessary. It _____2_____ mainly from lighting sources that do little to increase nighttime safety，security or utility. They produce only glare, _____3_____ over one billion dollars annually in the U. S. alone.
For science, the impact has been even more dramatic. _____4_____ require observations of extremely faint objects that can only be made with advanced devices at sites free of air pollution and urban sky glow. For example, some images of the objects can offer information about faraway corners of the universe, _____5_____ us understand the way in which our world was actually formed, yet the light from these objects can be lost at the very end of its journey in the glare of our own sky.
Reducing light pollution is not _____6_____. It _____7_____ that public officials and citizens be aware of the problem and act to counter it. As individuals, people can help _____8_____ sky glow just by using lighting only, when necessary.
The stars above us are a _____9_____ heritage. We must _____10_____ our best to preserve it.
[A] priceless [B] stars [C] helping [D] coming [E] requires [F] comes [G] science
[H] scientists [I] did [J] do [K] easy [L] costing [M] reducing [N] difficult [O] reduce
第2题
Okeanos Explorer is a US navy vessel, which once participated in a lot of fighting.
A．Y
B．N
C．NG
第4题
Which of the following cities is located on the west coast of the US？
A．New York.
B．Detroit.
C．Miami.
D．Los Angeles.
第5题
Which of these regions exports least to Japan？
A．Europe
B．Asia
C．The US
第6题
A．therefore
B．even if
C．in case
D．despite
第7题
Which of the following statements is true of the future robots？
A．They will relieve us of many chores.
B．They will take over the information industry.
C．They will never surpass us.
D．They will become high-cost commodity items.
第8题
Which country did the US military accused of？
A．Iran
B．Iraq
C．Lebanon
第9题
According to the passage, which of the following is NOT true？
A．The internal clock of us governs our cycles of alertness and sleep.
B．The internal clock of us can produce jet lag.
C．Long time in the biological darkness is fine to Americans.
D．During the winter in the northeast of America, a person can commute roundtrip in the dark.
第10题
Which of the following is true about US coins？
A．The size does not tell the amount.
B．The bigger, the more valuable.
C．The smaller, the more valuable.
