【简答题】Questions 31 to 35 are based on the following passage. It is hard to predict how science is going to turn out, and if it is really good science it is impossible to predict. If the things to be found a...
【简答题】Questions 29 to 31 are based on the passage you have just heard. 第29题: A) It limited their supply of food. B) It made their eggshells too fragile C) It destroyed many of their nests. D) It killed many...