单项选择题
[听力原文] W: Are you clear about the instructions M: Well, would you mind repeating them
A．He can’ t explain the instructions clearly. B．He speaks too fast. C．He doesn’t understand the instructions clearly. D．He is deaf.
A．Scientists usually observed and studied chimps in laboratories and zoos. B．Some scientists went to study the chimps in the far away areas of africa. C．Scientists spent quite a long period of time observing chimps in the wild. D．Scientists spent rather a short period of time studying chimps in the wild.
A．我不认为她会不安，但我还是去看看她，以免她不安。 B．我认为她不会不安，但万一她不安，我会去看她的。 C．我认为她不会不安，但以防万一，我还是去看她一下。 D．虽然我认为她不会不安，但我还是要去看看她，以免她不安。