单项选择题

It can be inferred that ceramics________.

A．has advantages over plastics
B．will dominate future life of human beings
C．will be endowed with more practical uses
D．has gotten rid of the slightest imperfection of brittleness
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单项选择题
According to the passage, the author implies that________.
A．participation in interesting activities relating to a school subject improves one' s achievement in that area
B．teachers should occasionally make home visits to parents
C．too many children are lazy and have poor work habits
D．only a small part of the school day should be set apart for drilling arithmetic
单项选择题
From the passage, we can reasonably infer that the author________.
A．feels that the traditional program in mathematics is slightly superior to the developmental pro gram
B．believes that schools are lacking in guidance personnel
C．feels that parent-teacher interviews can be made much more constructive than they are at present
D．is satisfied with present relationship between home and school
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