单项选择题

We can infer from the passage that（）

A．Dr. Leakey studied chimps because he began to love the animals
B．after she met Dr. Leakey, Jane began to study the way that early people lived while observing chimpanzees
C．the country was very difficult to travel through
D．Jane worked with Dr. Leakey because she loved him

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单项选择题

Jane Goodall wanted to study chimpanzees（）

A．because her book, In the Shadow of Man, made her to start
B．because she had no qualifications at all
C．because she loved animals
D．because Dr. Leakey wanted her to help him

单项选择题

According to the first paragraph, which of the following is NOT true（）

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.