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There are three important areas where the control of the laser beam has been put into use by scientists
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更多“（Para. 3, Passage Four）There a…”相关的问题
The word "obsession" (Para 3)in this passage means ______.
A．disturbance
B．preoccupation
C．compulsion
D．passion
The word "pop" (Para 3, L1) in this passage is closest in meaning to which of the following word/phrase？
A．spank
B．flick
C．popular
D．show off
As used in the passage,the word"vie"(Para 2,Line 3)most nearly means_____.
A．ask
B．compete
C．prepare
D．provide
By “Four years later, I took him up on that offer”(Para 4), the author means that _______.
A．he admired Bill for that offer
B．he offered Bill help in return
C．he accepted Bill’s offer
D．he remembered Bill’s offer
(Passage 2, Lines 1-3, Para. 3)
Them we fed them four unidentified samples of cola on at a time, regular colas for the one group, diet versions for the other.
The Olympic Games are held every four years in a different city in the world. (Passage 3)
It can be inferred from the passage that foraminifers (Line 6, Para 4) are a ______.
A．kind of weather pattern
B．species of tundra plant
C．form. of sea life
D．type of miniature penguin
What does the word "colostrum" (Para 2) mean according to the passage？
A．Mother's first breast milk.
B．Poor nutrution.
C．Lasting damage.
D．Nutrients.
According to the passage, "chemistry" (para 5, line 2) means ______.
A．chemical substances
B．a scientific subject
C．attraction
D．first impression
In the passage, British Rail (Para 6) is mentioned to ______.
A．provide a comparison with Eurostar
B．support the airlines' optimism
C．prove the inevitable drop of air passengers
D．call for electrification and modernization of the railway
According to the passage, the first step helps the readers______.
A．read first several paragraphs
B．scan the whole chapter
C．study the graphs
D．get the theme of the chapter
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