单项选择题

Why were cracks in old houses not a big concern

A．Because indoor cleanliness was not emphasized.
B．Because energy used to be inexpensive.
C．Because environmental protection was given top priority.
D．Because they were technically unavoidable.

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热门试题

单项选择题

The author chose to study engineering at a small liberal-arts university because he ______.

A．wanted to be an example of practicality and rationality
B．intended to be a combination of engineer and humanist
C．wanted to coordinate engineering with liberal-arts courses in college
D．intended to be a sensible student with noble ideals

单项选择题

According to the author, by interacting with people who study liberal arts, engineering students can ______.

A．balance engineering and the liberal arts
B．receive guidance in their careers
C．become noble idealists
D．broaden their horizons