It remains to be seen whether the reserves of raw materials in the year 2000 will be sufficient to supply a world economy which will have grown by five hundred percent. Southeast Asia alone will have an energy consumption five times greater than that of Western Europe in 1970. Incidentally, if the underdeveloped countries started using up petrol at the same rate as the industrialized areas, then world reserves would be exhausted by 1990.
All this only goes to show just how important it is to set up a plan to conserve and divide up fairly natural resources on a worldwide scale.
This is a matter of life and death because world population is expanding at an incredible rate. By the middle of the next century population will expand every year by as much as it did in the first 1,500 years after Christ. In the southern, poor parts of the globe, the figures are enough to make your hair stand on end. Even
A. naturally, the population problem would be solved
B. nature will punish us in the end if we do nothing
C. we can wait until nature solves the problem for us
D. we can’t imagine how much we’ll have to pay to solve the world population problem
___1___是指CPU一次可以处理的二进制数的位数，它直接关系到计算机的计算精度、速度等指标；运算速度是指计算机每秒能执行的指令条数，通常用___2___为单位来描述。
2（）| Many people invest in the stock market
hoping to find the next Microsoft and Dell. However, I know{{U}} (31)
{{/U}}personal experience how difficult this really is. For more than a
year, I was{{U}} (32) {{/U}}hundreds and sometimes thousands of dollars
a day in investing in the market. It seemed so easy, I dreamed of{{U}}
(33) {{/U}}my job at the end of the year, of buying a small apartment
in Paris, of traveling around the world. But these dreams{{U}} (34)
{{/U}}to a sudden and dramatic end when a stock I{{U}} (35) {{/U}},
Texas cellular pone wholesaler, fell by more than 75 per cent{{U}} (36)
{{/U}}a one year period. On the{{U}} (37) {{/U}}day, it pl A. punishes B. defeats C. fines D. collapses [判断题]外来人员应进行安规考试，考试合格，经设备运维管理单位认可后，方可参与检修工作。
A.正确 B.错误 [判断题]有防汛任务的地方人民政府应当组织以民兵为骨干的群众性防汛队伍，并责成有关部门将防汛队伍组成人员登记造册，明确各自的任务和责任。（ ）
A.正确 B.错误 [单选题]对于不饱和空气，其干球温度t，湿球温度tw和露点td之间的关系为：（）
A.tw>t>td B.t>tw>td C.td>t>tw D.td>tw>t [单项选择]以下关于意见领袖的说法，错误的是（）。
A. 意见领袖在人际传播网络中经常为他人提供信息、意见、评论，并对他人施加影响的"活跃分子" B. 意见领袖作为一种社会现象，它不单单存在于西方社会中 C. 意见领袖是人群中首先或较多接触大众传媒信息，并将经过自己再加工的信息传播给其他人的人 D. 决策过程中不同的媒介扮演不同角色，大众传播比人际传播更为普遍和有效，能够保持基本群体中的内部意见和行动一致 [单选题]为降低变压器铁心中的( )叠电间要互相绝缘。
A.无功损耗 B.空载损耗 C.涡流损耗 D.短路损耗 [单选题]当事人不服人民法院第一审行政诉讼判决的，有权在判决书送达之日起多长时间内向上一级人民法院提起上诉？
A.十日 B.十五日 C.二十日 D.三十日 [不定项选择]民用建筑空调制冷工程中，采用时间最长、使用数量最多的冷水机组是（）。
A. 离心式冷水机组 B. 活塞式冷水机组 C. 螺杆式冷水机组 D. 转子式冷水机组 我来回答: 提交
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