The current American school calendar was developed in the nineteenth century because of____.
A. the labor demands of the industrial age
B. the growing season on the nation's farms
C. school teachers' demands for more vacation time
D. parents' and children's demand for more time together at home
查看答案
【C15】
A. faculty
B. quantity
C. quality
D. fragment
【C3】
A. dripping
B. serving
C. diverging
D. clamping
When "product differentiation" is adopted, the product is usually______.
A. advertised as something different from similar products
B. good either for your health or for the environment
C. very profitable for the company
D. environmentally friendly
It is better for a teacher to indicate locations of errors in students' papers than to correct them because of the following reasons EXCEPT that_____.
A. the teacher may misread the students' intentions
B. to indicate error locations is less time consuming
C. indication of errors has the same effects on students as the correction of errors
D. to correct students" errors can make students lose face
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