题目

“海天酱油”瓶上配料表:水、大豆、面粉、谷安酸钠、苯甲酸钠.说明“海天酱油”是     A.混合物          B.化合物        C.纯净物        D.单质 答案:A 第一节 完形填空(共10小题;每小题2分,满分20分)     阅读下面短文,掌握其大意,然后从21---30各题所给的A、B、C和D项 中,选出最佳选项,并在答题卡上将该项涂黑。      There was a time when parents would buy an educational present for their childrer. This Christmas, there were a lot of personal computers under the tree.21 that computers are the key to success, parents are also   22   that children be taughtto use them in school as early as possible. The   23   for school is that when itcomes to computers, parents don't always know best. Teachers found themselves caught in the middle of the problem between parent   24 and wise educational decisions. Many schools are giving in to parental impatience and are   25hardware without sound educational planning. Educators do not even agree on howcomputers should be   26. Even those who believe that all children should   27computers warn of potential dangers to the very young. The temptation remainsstrong largely because young children   28   so well to computers. However, notevery school can afford to go into computing, and that creates another problem: a29   between the haves and the have-nots. Very few parents are agitating for (倡导)computer instruction in poor school districts,30  there may be barely enoughmoney to pay the teacher. 21.  A. Believing     B. Wishing        C. Provided D. Supposed 22. A. planning       B. insisting        C. expecting       D. commanding 23.  A. decision      B. problem        C. benefit          D. reason 24.  A. attitude       B. measure        C. decision        D. pressure 25.  A. designing     B. making         C. purchasing      D. preparing 26.  A. used         B. bought         C. learned         D. wanted 27.  A. be open to     B. stick to         C. have access to    D. expose to 28.  A. adopt        B. adapt           C. devote          D. apply 29.  A. fight         B. disagreement    C. discussion       D.division 30.  A. even if       B. in case         C. where           D. though
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