大连四级模考听力范文及答案_大学英语听力

大连四级模考听力范文及答案

　　Questions 29 to 31 are based on the passage you have just heard.

　　29. What does biodiversity depend mainly on， according to the passage?

　　30. What does the phrase plant blindness refer to?

　　31. In order to leave a healthy and hopeful world to the next generation， what do we have to do?

　　Passage Three

　　Why arent there more women physicists， and in senior positions? One factor may be unconscious biases that could keep women physicists from advancingand may even prevent women from going into physics in the first place.

　　Amy Bug， a physicist at Swarthmore College， examined the bias question. Her research

　　team trained four actorstwo men， two womento give a 10-minute physics lecture. Real physics classes watched the lecturers. Then the 126 students were surveyed.

　　When it came to questions of physics abilitywhether the lecturer had a good grasp of the material， and knew how to use the equipmentmale lecturers got higher ratings by both male and female students.

　　But when asked how well the lecturer relates to the students， each gender preferred their own. And while female students gave a slight preference to female lecturers， male students overwhelmingly rated the male lecturers as being superior. The research appears in the journal Physics World. Bug says the results may be evidence of inherent biases that could hold women backalong with economic inequalities， such as lower wages and smaller start-up grants. Which reduce career acceleration and thus the amount of force available to crack the glass ceiling?