A. people should look for a baseline that can’t work for a longer time. B. fisheries should keep the yield below 50% of the biomass C. the ocean biomass should restored its original level. D. people should adjust the fishing baseline to changing situation
[单选题]D.r. Myers and other researchers hold that ________.[A] people should look for a baseline that can’t work for a longer time[B] fisheries should keep the yield below 50% of the biomass[C] the ocean biomass should restored its original level[D] people
[单选题]Researchers hold that boredom results from______.A.natural surroundingsB.various kinds of factorsC.sensitive personalitiesD.subjective perceptions
[单选题]We can infer from Dr Myers and Dr. Worm’s paper thatA. the stock of large predators in some old fisheries has reduced by 90%. B. there are only half as many fisheries as there were 15 years ago. C. the catch sizes in new fisheries are only 20% of the
[单选题]We can infer from Dr. Myers and Dr. Worm’s paper that ________.[A] the stock of large predators in some old fisheries has reduced by 90%[B] there are only half as many fisheries as there were 15 years ago[C] the catch sizes in new fisheries are only
[单选题]The researchers have discovered that the formation of habit can beA. predicted B. regulated C. traced D. guided
[单选题]The researchers have conducted an experiment to prove that people will act in emergencies when ______A.) they are in pairsB.) they are in groupsC.) they are aloneD.) they are with their friends
[单选题]B.rain researchers have discovered that the formation of new habits can beA.predicted.B.regulated.C.traced.D.guided.
[单选题]What is the researchers’ understanding of the New Zealand study results?A. Poorly motivated 26-year-olds watch more TV.B. Habits of TV watching reduce learning interest.C. TV watching leads to lower education levels of the 15-year-olds.D. The c
[问答题]请根据下面材料写一篇120词左右的英文感谢信。Dear Lily,I am going to hold a dinner party with sev
[单选题](41~45) Researchers have found that drugs used to treat human seizures can delay aging in worms by as much as 50 percent. The roundworms used for the study are similar to humans in their molecular makeup, raising thepossibility that the drugs could a