Such choices were (i)_____ the mental capacity of humans. Scientists have long debated the exact timing of the lunar cataclysm, a period approximately 4 billion years ago when earth and the moon were pummeled with asteroids. 【gre真题答案解析】gre考满分为考生准备gre 填空和等价tc真题答案解析,for many who are not philosophers, the word “metaphysics” still retains connotations of (i)____________, so that many hard scientists still use the term as a byword for (ii)____________ thinking.
Scientists who work in industry have tended to become frustrated by. Some scientists speculate that projected increases in atmospheric carbon dioxide levels could increase crop yields and thereby help meet increased demand for food as the world's population rises. C3 plants (over 90 percent of all plant species) benefit much more.
Just what, for example, is a healthy number of red snapper in the gulf of mexico? 【gre真题答案解析】gre考满分为考生准备gre 填空和等价tc真题答案解析,because popular culture often portrays lawyers as shady and scientists as eccentric, we might expect cinematic depictions of scientists employed as expert witnesses in court cases to reflect badly on both law and science. As one fisheries biologist notes, each generation of scientists takes as a baseline the size and. The two scientists' achievements are _____________ only in a narrowly conceived history of science:
【gre真题答案解析】gre考满分为考生准备gre 填空和等价tc真题答案解析,throughout much of the twentieth century, common scientific sense seemed to dictate that animals could not make a choice based on rational or aesthetic criteria. Most plant species are classified as either type c3 or c4, each type referring to a distinct photosynthetic pathway. Senior scientists in industry have been less likely than junior scientists to remain in positions where opportunities to conduct their own research are restricted b. Although both erred in scientific judgment, both also defended science in its infancy and established it as an intelligible and useful activity.
【gre真题答案解析】gre考满分为考生准备gre 填空和等价tc真题答案解析,according to one prominent critic, scientists enamored of the metaphor of the frontier tend to be _____________: