题目内容

There was a time when parents who wanted an educational present for their children would buy a typewriter, a globe or an encyclopedia set.Now those (21) seem hopelessly old-fashioned: this Christmas, there were a lot of (22) computers under the tree. (23) that computers are their key to success, parents are also frantically insisting that children (24) taught to use them on school—as early as possible. The problem for schools is that when it (25) computers, parents don’t always know best. Many schools are (26) parental impatience and are purchasing hardware without (27) educational planning, so they can say, OK, we’ve moved into the computer age. Teachers (28) themselves caught in the middle of the problem — between parent pressure and (29) educational decisions.Educators do not even agree (30) how computers should be used. A lot of money is going for computerized educational materials (31) research has shown can be taught (32) with pencil and paper. Even those who believe that all children should (33) to computer warn of potential (34) to the very young.The temptation remains strong largely because young children (35) so well to computers. First graders have been (36) willing to work for two hours on math skills. Some have an attention span of 20 minutes.(37) school, however, can afford to go into computing, and that creates (38) another problem: a division between the have’s and havenot’s. Very few parents ask (39) computer instruction in poor school districts, (40) there may be barely enough money to pay the reading teacher. 28().

A. talks about
B. comes to
C. turns to
D. mentions

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以硅胶为固定相的TLC按作用机制属于

A. 吸附色谱
B. 离子交换色谱
C. 胶束色谱
D. 分子排阻色谱
E. 亲和色谱

中国药典(2005版)收载的用气相色谱法测定含量的药物是

A. 四环素
B. 维生素C
C. 维生素E
D. 地高辛
E. 青霉素

中国药典规定“精密称定”时,系指重量应准确在所取重量的

A. 百分之一
B. 千分之一
C. 万分之一
D. 百分之十
E. 千分之三

There was a time when parents who wanted an educational present for their children would buy a typewriter, a globe or an encyclopedia set.Now those (21) seem hopelessly old-fashioned: this Christmas, there were a lot of (22) computers under the tree. (23) that computers are their key to success, parents are also frantically insisting that children (24) taught to use them on school—as early as possible. The problem for schools is that when it (25) computers, parents don’t always know best. Many schools are (26) parental impatience and are purchasing hardware without (27) educational planning, so they can say, OK, we’ve moved into the computer age. Teachers (28) themselves caught in the middle of the problem — between parent pressure and (29) educational decisions.Educators do not even agree (30) how computers should be used. A lot of money is going for computerized educational materials (31) research has shown can be taught (32) with pencil and paper. Even those who believe that all children should (33) to computer warn of potential (34) to the very young.The temptation remains strong largely because young children (35) so well to computers. First graders have been (36) willing to work for two hours on math skills. Some have an attention span of 20 minutes.(37) school, however, can afford to go into computing, and that creates (38) another problem: a division between the have’s and havenot’s. Very few parents ask (39) computer instruction in poor school districts, (40) there may be barely enough money to pay the reading teacher. 26().

A. ignorant of
B. blaming
C. yielding to
D. improving

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