更多"In the phenomenon of atomic fission"的相关试题:
[单项选择]In the phenomenon of atomic fission, the nucleus is split into two pieces of approximately equal mass.
A. doubly
B. always
C. solidly
D. about
[单项选择]When plutonium undergoes fission, its atoms break apart, giving off a great deal of energy
A. recoil
B. soften
C. fester
D. split
[单项选择]The process of nuclear fission______requires the use of a reactor core, around which no lithium blanket of sufficient______has been developed to contain the hazardous byproducts of the process.
A. (A) unfortunately… breadth
B. (B) occasionally … unreliability
C. (C) auspiciously … size
D. (D) fortuitously… expense
E. (E) technically … imagination
[单项选择]The nucleus of the atom is composed of swiftly moving protons and neutrons that are held together by very strong forces.
A. mixed
B. propelled
C. pounded
D. bound
[填空题]The protons in a nucleus being equal with the electrons outside, the atom is electrically neutral（）.
[单项选择]The word" nucleus" in the last sentence probably refers to ______.
A. musicians famous in Africa
B. musicians at the center of attention
C. musicians acting as the centre in a performance
D. active participation in a musical performance
[单项选择]There are just as many protons in the nucleus as electrons______ around it.
A. revolving
B. spinning
C. rotating
D. spiraling
[单项选择]The Renaissance was a European phenomenon originated in ______.
A. France
B. Britain
C. Italy
D. Spain
[单项选择]The language phenomenon that words having different meanings have the same form is called
A. homonymy.
B. hyponymy.
C. polysemy.
D. antonymy.
[单项选择]The Americanization phenomenon is more possible to be the result of______.
A. the influence of Americanization on the world
B. the influence of the West on the East
C. the globalization in the world
D. American products worldwide
