A.12years．B.20years．C.30 years．D.68years．
A. 12years．
B. 20years．
C. 30 years．
D. 68years．
查看答案
A.thoseB.whomC.ideasD.attitudes
A. those
B. whom
C. ideas
D. attitudes
When talking about“one terawatt”，the author says that__________．
A. it is a small measuring unit of electricity
B. it is a great amount of electricity
C. it is the amount of C02 released when 7 billion people use electricity at the same time
D. it is equivalent to the number of bulbs that 7 billion people use
A.Gathering non-relevant materials.B.Stealing another persons ideas.C.Sh
A. Gathering non-relevant materials.
B. Stealing another persons ideas.
C. Sharing notes with someone else.
D. Handing m assignments late.
Negroes negative impressions on people ___________
A. derived from their acts
B. turned out to be wrong
C. were copied by slave-holders
D. were passed down for generations
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