2. Which of the following is NOT the function of “good” bacteria?

A. Helping to digest food.

B. Helping to take nutrients from food.

C. Helping to regulate weight.

D. Making a person ill.

1. The “link” in Paragraph 2 refers to the relationship between _______.

A. bacteria and the chance of being overweight

B. obesity and diabetes

C. diets and the chance of being overweight

D. bacteria and exercise

9. B。从“… in Washoe, Nevada, for which it was named”可知，Washoe是为纪念一个地名而起的

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8. B。从第三段中最后一句可知，Washoe还教其它黑猩猩学习手势语，因此B项推理正确。

7. C。从“who believed that language is unique to humans”和“doubted”等词句可推知，科学家对Washoe’s language skills持质疑态度。

6. D。倒数第二段中“Roger, through his ongoing conversations with Washoe and her extended family, has opened a window into a chimpanzee’s mind”是对“the importance of the work with Washoe”的具体说明。

5. A。从第三段第一句可知，Washoe的第一项任务是参与太空研究项目(research use in the space program)。

4. C句意题。由最后一段倒数第二句的含义可知是叫人们多体谅他人疾苦。

3. C推断题。根据文章的第四段的描述可知Josh是个好心人。

2. A细节题。根据文章第二、三段的描述及小孩的话语，可确定答案。