D．r. Singer thinks men are more suitable to maintain justice and issue punishment than women because _______ .

A． men's brain's empathy centers remained dull when punishment was executed

B． women's pleasure centers were lit up with punishment implemented

C． men have no response when seeing punishment executed

D． men had different experiences from women

[单选题]A．ccording to the text, Dr. Singer/'s attitude to male revenge impulse is ________.A． sympatheticB． detachedC． positiveD． negative

[单选题]D．r. Brosnan and Dr. de Waal have eventually found in their study that the monkeys ________.[A] prefer grapes to cucumbers[B] can be taught to exchange things[C] will not be cooperative if feeling cheated[D] are unhappy when separated from others

[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]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]A．ccording to the third paragraph, Dr. Davies implies that_____.［A］ cosmetic surgery, though costly, is worth having［B］ cosmetic surgery is too expensive［C］ cosmetic surgery is necessary even for the average person［D］ cosmetic surgery is mainly for t

[单选题]D．r. Zhang was always ____ the poor and the sick, his private clinic often providing them with free medical care.A． tended by B absorbed in C concerned about D reminded of

[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]Now Dr. Ross is bringing a welcomed medical revolution to the world_________ so many people need it.A． thatB． whereC． howD． which

[单选题]D．r. Yehuda’s research suggests that women[A] need extra doses of chemicals to handle stress.[B] have limited capacity for tolerating stress.[C] are more capable of avoiding stress.[D] are exposed to more stress.

[单选题]Dr. Cole made an analysis of the activity of the genes by __________.A.meas