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【单选题】
According to the passage, methods of exploring for gold that are widely used today are based on which of the following facts?A.
Most of the Earth’s remaining gold deposits are still molten.
B.
Most of the Earth’s remaining gold deposits are exposed at the surface.
C.
Most of the Earth’s remaining gold deposits are buried and have no surface expression.
D.
Only one type of gold deposit warrants exploration, since the other types of gold deposits are found in regions difficult to reach.
E.
Only one type of gold deposit warrants exploration, since the other types of gold deposits are unlikely to yield concentrated quantities of gold.
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举一反三
【单选题】— Do you know that Tom survived a fire accident? — _____! [ ]
A.
Yes. How lucky he was
B.
Yes, maybe you're right
C.
I can't agree with you more
D.
I even dare not call him
【单选题】— Oh, how nice! A picture of the White House? — Yes. I took it in _____. [ ]
A.
London
B.
Washington
C.
Paris
D.
Bangkok
【单选题】—Do you know how to pronounce this word? —Yes. I ______ in the dictionary yesterday. [ ]
A.
looked it up
B.
worked it out
C.
gave it away
D.
picked it up
【单选题】—How do you spell key? —_____.
A.
No, it's not a key
B.
K-E-Y
C.
It's my key
D.
Yes. K-E-Y
【简答题】电缆头-16(mm2)的工程量是()个。
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