答案: D
3.解析: 细节理解题。根据第三段第二句中的内容可知可用“人体组织”和“电脑模型”来取代动物试验。
答案: B
4.解析: 推理判断题。根据第三段中的倒数第二、第三句可知,科学家们只分享成功的试验,如果结果与假设不符,所做的工作将永不公开。由此可推断不成功的试验不会展示给公众。
答案: A
Ⅳ.短文改错
I am Li Hua,a Chinese student
summer courses in your university.I am writing to ask for help.I
here last month.I find my courses interesting,
I have some difficulty with notetaking.What’s more,I have no idea of
to use the library.I am told the Learning Center is providing help for students and I am
to get help from you.I have no class on Tuesday mornings and Friday afternoons.Please let me
to— know which day is OK with you.
You
email or phone me.Here
my address Li Hua @163.com and phone
12345678.I am looking forward
your reply.
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