Why does the professor mention artificial blood？
A. She is referring to the textbook.
B. She is answering a question.
C. She is reporting her research.
D. She is joking with the students.
查看答案
A．attendB．describeC．searchD．find
A. attend
B. describe
C. search
D. find
How does the professor organize his lecture？
A. He contrasts older theories of agriculture with newer ones.
B. He makes an argument for the revisionist view of agriculture.
C. He defines revisionism by giving examples of early farmers.
D. He provides a chronological account of early farmers.
According to the professor, what would be a good way to sell a product？
A. Design a good logo to present the product to the public
B. Hire a celebrity that customers like and relate to
C. Make it easy for consumers to recognize the packaging
D. Increase the customer service for the product
What aspect of blood does the professor mainly discuss？
An explanation of stem cells
B. A process for blood transfusion
C. A method for producing artificial blood
D. A discussion of blood typing
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