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更多“根据上面选项，回答（49）题 查看材料”相关的问题
回答（49）题 查看材料
A.But their use of Broca"s area was different.
B.One group consisted of those who had learned a second language as children.
C.How does Hirsch explain this difference？
D.We use special parts of the brain for language learning.
E.And that is very different from learning a languase in a high school or college class.
F.Their work led to an important discovery.
回答（49）题 查看材料
A.The local police were searching for him.
B.Smith is a 26-year-old single mother with a daughter.
C.Smith tried very hard to kill Nichols.
D.She even cooked breakfast for the man before he allowed her to leave.
E.And the two of them discussed this topic.
F.Then she called the police.
回答（49）题 查看材料
A.But it also looks at the celebrity"s presence on the Internet and in the media.
B.In 1991， she did a lot of work for the National Child Protection Act.
C.She was not a very successful woman.
D.She began broadcasting while still at high school.
E.It placed Winfrey at the top of its annual ranking of the 100 people last week.
F.The couple had been tight-lipped about their break-up.
回答（49）题 查看材料
A.Scholars differ in interpreting the purpose of the designs.
B.The largest picture may have been the sites for special ceremonies.
C.He called Nazca "the largest astronomy book in the world".
D.A Swiss writer named Erich von Daniken wrote that the Nazca lines were designed as a landing place for UFOs.
E.Other scientists are now searching for evidence to prove this.
F.Seen from the ground， it looks like lines scratched into the earth.
回答（49）题 查看材料
A.Another distinction between science and technology has to do with the progress in each.
B.Unlike science， progress in technology must be measured in terms of the human factor.
C.What scientists discover may shock or anger people——as did Darwin"s theory of evolution.
D.Science and technology are different.
E.We are all familiar with the improper use of technology.
F.Science is a method of answering theoretical questions ; technology is a method of solving practical problems.
回答（49）题 查看材料
A.High sound of 150 decibels can kill a healthy rat.
B.The vibration of air can produce infrasonic waves.
C.We cannot play high-pitched music with ordinary musical instruments.
D.If the intensity of infrasonic wave exceeds 160 decibels， it is extremely harmful.
E.Dolphins， whales and bats can make such high-frequency sound.
F.Therefore， the sound of ordinary musical instruments cannot harm your health.
