C2：
对话
1. Why does the professor want to see the student?
To suggest that the student review his selection of sources
To inform the student about new requirements for an assignment
To suggest that the student change the topic of his paper
To provide help with understanding some complex scientific papers
2. Why does the professor warn the student about a Web site he intended to use?
It contradicts facts fond on a university Web site
Its owner may be motivated by financial gain
It exaggerates the benefits of using tidal turbines
It has outdated information on solar panels
3. Why does the student mention tidal turbines?
To make a comparison between them and solar panels
To point out the environmental benefits of using them
To determine whether his ideas about how they function are correct
To emphasize the efficiency of technologies that use ocean energy
4. What is the professor’s opinion about the environmental impact of tidal turbines?
A. They can cause significant harm to marine life.
They can provide enough energy to offset any negative effect on the environment.
They have almost no effect on marine life, due to recent technological advances.
They have some effect on the environment, but that effect is still unknown.
5. Why does the professor mention Norway?
To suggest a way the student might harrow the focus of his paper
To indicate where tidal turbines are manufactured
To point out an area that has fast-moving ocean currents
To name a location where tidal turbines have had little environmental impact
