For as long as humans have raised crops as a source of food and other products, insects ha
A.corn borer
B.Japanese beetle
C.gypsy moth
D.fire ant
A.corn borer
B.Japanese beetle
C.gypsy moth
D.fire ant
A.doubtlessly
B.therefore
C.otherwise
D.consequently
A.About ten years.
B.About two years.
C.About twenty years.
D.About thirteen years.
A、Error is an inevitable part of human behavior
B、As long as we pay more attention, and operate accurately, we can avoid the error
C、Only a small part of accidents were caused by human error
Which of the following is the best title for this passage?
A.G-20 Summit
B.The Long Summer
C.The Climatic Tipping Point
D.How Much Human Activity Can Earth Handle?
In terms of making quick decisions, computers often surpass human brains because ______ .
A.the slow pace of life caused the defect of human brains in the long process of evolution
B.the human brain is influenced by other factors such as drives and feelings
C.the human brain may sometimes freeze up in a mixed situation
D.computers imitate life and the more complex, the better
What is the great advantage of robots over human workers?
A.They are much cheaper than humans.
B.They never complain about the difficulties.
C.They can handle all the problems of the job.
D.They can work for long periods without rest.
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