L3
讲座
1. What is the lecture mainly about?
Strategies to make computer data centers more efficient
The use of computers to keep buildings cool
Measuring temperature changes in the oceans
Determining where most computer users are located
2. Why does the professor mention pipes coming into a computer room?
To illustrate how electronic messages are sent and received
To suggest one way to reduce air-conditioning expenses
To add a bit of humor to a serious discussion
To introduce an exciting new technology
3. What disadvantage of free cooling does the professor mention?
It is much less efficient than an active cooling system.
It requires equipment that is costly to maintain in heavily polluted cities.
It depends on an unreliable source of power, the wind.
It works well only within a limited range of humidity.
4. What opinion does the woman express when the professor first mentions underwater data centers?
She appreciates the professor’s serious approach.
She is amused by the professor’s sense of humor.
She is impressed by the creativity of the proposal.
She does not believe the proposal makes sense.
5. What does the professor imply about the locations of underwater data centers?
The data centers are increasingly located in tropical regions.
The data centers can be located close to major cities
The data centers must not be located in earthquake zones.
The data centers must not be located near strong currents.
6. What are two concerns the professor mentions regarding possible environmental
effects of underwater data centers? （ 多 选 题 ）
They might heat up the surrounding water.
They might poison shrimp living nearby.
Their noises might disturb marine animals.
Their electronic signals might confuse migrating mammals
