题目内容

Question L3​浏览器不支持音频​

A. To prevent a misunderstanding about blind mole rats’ tunnel systems
B. To indicate how the researchers found the animals for the experiment
C. To describe similarities between blind mole rats’ natural habitat and those of other animals
D. To emphasize the importance of habitat design to the success of the experiment

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Question L4​浏览器不支持音频​

A. They removed the food from the habitat.
B. They increased the distance between the nest and the food source.
C. They changed the magnetic field around the habitat.
D. They shifted the location of obstacles in the tunnels.

Question L5​浏览器不支持音频​

A. One system is more accurate than the other for long trips.
B. One system takes more time to use than the other one does.
C. Individual blind mole rats have a preference for one system or the other.
D. Animals usually do not rely on only one navigation system for long trips.

Conversation 6​浏览器不支持音频​Question-C 6.1​浏览器不支持音频​

A. To get suggestions about what to include in her next presentation
B. To get information about a program that he had mentioned in class
C. To follow up on a question she had raised in class
D. To update him on a research project she is helping him organize

Question-C 6.2​浏览器不支持音频​

A. It permits government engineers to work on private construction projects.
B. It helps private companies buy facilities that were built by the government.
C. It enables private companies to operate public facilities that the government builds.
D. It enables public facilities to be constructed without government funding.

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