单项选择题

"Intelligence" at best is an assumptive construct the meaning of the word has never been clear. There is 1 agreement on the kinds of behavior referred to by the term than is on how to interpret or elegy them. 2 it is generally agreed that a person of high intelligence is one who can grasp ideas readily, make distinctions, reason logically, and make use of verbal and mathematical 3 in solving problems. An intelligence test is a rough measure of a child’s capacity for learning, 4 for learning the kinds of things required in school. It does not measure character, social adjustment physical 5 , manual skills, or artistic abilities. It was not designed for such purposes. To criticize it for such failure is roughly 6 to criticizing a thermometer for not measuring wind velocity.
The other thing we have to 7 is that the assessment of the intelligence of any subject is essentially a comparative affair. We must be sure that the scale with which we are comparing our subjects provides a "valid" or "fair" comparison. 8 this, any test performed involves at least three factors: the 9 to do one’s best, the knowledge required for understanding what you have to do, and the 10 ability to do it. The first tow must be equal for all that are being compared, if any comparison in terms of intelligence is to be made.