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 (51) seem hopelessly old-fashioned; this Christmas, there were a lot of personal computers under the tree. (52) that computers are the key to success, parents are also financially insisting that children (53) taught to use them in school—as early as possible. The problem for schools is that when it (54) computers, parents don’t always know best. Many schools are (55) parental impatience and are purchasing hardware without sound educational planning so they can say, "OK, we’ve moved into the computer age. " Teachers found themselves caught in the middle of the problem—between parent pressure and (56) educational decisions. Educators do not even agree (57)
A. however
B. it
C. what
D. that
| The first moving-picture theater was
probably the work of Harry Davis, Pittsburgh’s most prosperous showman. In 1904,
he rented a storefront, filled the room with chairs, gaily decorated the
exterior, and advertised the {{U}} (67) {{/U}} of a "nickelodeon". It was
a(n) {{U}} (68) {{/U}} success. Although Davis was the first one to use the name nickelodeon, {{U}} (69) {{/U}} experiments were taking place in other parts of the country. {{U}} (70) {{/U}} the country vaudeville (杂耍) managers, traveling exhibitors, and show businessmen {{U}} (71) {{/U}} their jobs to set up their own nickel picture {{U}} (72) {{/U}} . There was a great deal of money {{U}} (73) {{/U}} in the business, but nickelodeon owners had to work hard to {{U}} (74) {{/U}} their product. They could not afford to advertise {{U}} (75) {{/U}} in the papers, but they co A. displays B. demonstrations C. performance D. shows [单项选择]在实心平面箱体零件上直接加工孔应选择（）
A. 镗孔 B. 扩孔 C. 钻孔 D. 铰孔 [单项选择]公安机关人民警察内务，主要是指公安机关人民警察内部工作运转程序和( )。
A. 公安民警与党委、政府发生联系的活动 B. 公安民警对外发生联系的活动 C. 公安民警与人民群众发生联系的活动 D. 公安民警与人大代表、政协委员发生联系的活动 [简答题]化学诱变剂处理的特点？
[判断题]机动车驶离高速公路时,应当开启左转向灯,驶入减速车道,降低车速后驶离。( )
A.正确 B.错误 [单项选择]矿山，建筑施工单位和危险物品的生产，经营，储存单位，应当设置安全生产管理机构或配合（）
A. 专职安全生产管理人员 B. 安全生产人员 C. 管理人员 D. 主要负责人 [判断题]焊接电流太小会产生未焊透。
A.正确 B.错误 [单选题]有限空间事故救援行动中,保护组应不少于( )人。
A.2 B.3 C.4 D.5 [单选题]《铁路技术管理规程》中规定，发生（）应使用紧急制动阀。
A.旅客贵重物品掉出车外 B.旅客重病需下车医治 C.车辆燃轴损坏 D.车窗脱落车外 [单项选择]某城市考上大学的学生中，女生的比例比男生高。根据这个事实，王老师认为本市女生学习比男生好。以下哪项最能削弱王老师的结论？（）
A. 第一中学考上大学的学生中，男生的比例比女生高 B. 考生中男生的比例比女生低 C. 大多数考上大学的女生是文科班的 D. 全国考上大学的学生中，男女生比例基本持平 我来回答: 提交
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