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29 号 Cu 的核外电子排布为 [Ar]3d 10 4s 1A.
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【单选题】______ is medical technology that allows the prolongation of life artificially while the world is already over-populated?
A.
Of what use
B.
What use
C.
Of which use
D.
Which use
【单选题】I never know how colorful my life would be until I ____ my first college teacher last term.
A.
meet
B.
met
C.
have met
D.
had met
【单选题】While modulation/demodulation technology was being standardized for the most recent modems, several other peripheral standards were also being developed.
A.
auxiliary
B.
notable
C.
relevant
D.
elemental
【简答题】Like many other freshmen, I showed (greatly) ______ interest in college life when I arrived at the college.
【单选题】I passed the college entrance examination. Never in my life______so excited.
A.
would I feel
B.
I felt
C.
had I felt
D.
I had left
【单选题】I’m glad to see the rapid progress ______in science and technology in the past decade.
A.
to make
B.
making
C.
made
D.
having made
【简答题】While a lot of people advocate the prominent role of advanced technology in environmental protection, many others insist that peoples awareness is more important. So what is your opinion about protect...
【简答题】pre-college life: I had been at home in (1)_______________where I had lived for 18 years and knew everyone.
【单选题】—What did you do yesterday evening, Gina? —I ________ Titanic 3D in the City Cinema. [ ]
A.
watch
B.
watched
C.
am watching
D.
will watch
【单选题】While the history of technology can be traced along many lines, one of the most intriguing (引人入胜的) development is that photo technology, the technology of light. From the prehistoric invention of fire...
A.
its mere practical use is to enable people to see well
B.
it achieved a remarkable development in the early nineteenth century
C.
its development is related to the study of the history of technology
D.
it has aroused the interest of inventors ever since ancient times
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