某同学把一只台灯的插头插入插座后，发现台灯开关断开时，用测电笔接触螺丝口灯座的螺

如果你想了解藏羚羊的形态特点和生活习性，应从下列哪本书中查找学习（　　）

A．《昆虫学》

B．《爬行动物学》

C．《哺乳动物学》

D．《鸟类学》

由阀门或管线冻裂造成的跑油事故,处理时应该立即倒罐,并加大事故罐向外排油速度.

煅法

某县城化工厂为增值税一般纳税人，增值税税率17%，化妆品消费税税率30%，进口货物与设备的关税税率均为40%，本题中所涉及到的相关凭证在当月都通过了税务机关的认证。2007年10月发生以下经济业务：
(1)外购原材料取得税控增值税专用发票，支付货款400万元，支付增值税 68万元，支付购货运输费用12万元，取得符合规定的货运发票，材料验收入库；
(2)进口化妆品一批用于生产加工优质化妆品，关税的完税价格50万元；同日还进口大型生产设备一台，关税完税价格为30万元；
(3)对外销售化妆品开具增值税专用发票，取得不含税销售额600万元，支付销货运输费用14万元，取得国有运输企业的货运发票，
(4)将试制的优质化妆品发给本单位职工作福利，成本价40万元，成本利润率8%，无同类产品市场销售价格，生产优质化妆品过程中领用进口化妆品20万元作原料。
(5)因水灾损失上月购进的原材料成本10.93万元(其中含运输费用0.93万元)。
要求：
(1)计算该化工厂当月进口环节应缴纳的增值税和消费税合计数；
(2)计算该化工厂当月国内销售环节应缴纳的增值税；
(3)计算该化工厂当月国内销售环节应缴纳的消费税；
(4)计算该化工厂当月应缴纳的城市维护建设税和教育费附加合计数。

Low levels of literacy and numeracy have a damaging impact on almost every aspect of adults, according to a survey published yesterday, which offers (1) of a developing underclass. Tests and (2) with hundreds of people born in a week in 1958 graphically illustrated the (3) of educational underachievement. The effects can be seen in unemployment, family (4) , low incomes, depression and social inactivity.

Those who left school at 16 with poor basic skills had been employed for up to four years less than good readers (5) they reached 37. Professor John Bynner, of City University, who carried the research, said that today’s (6) teenagers would even encounter greater problems because the supply of (7) jobs had shrunk.

Almost one fifth of the 1,700 people interviewed for yesterday’s report had poor literacy and almost half (8) with innumeracy, a proportion (9) other surveys for the Basic Skills Agency. Some could not read a child’s book, and most found difficult (10) written instruction.

Poor readers were twice as likely to be a low wage and four times likely to live in a household where partners worked. Women in this (11) were five times as likely to be (12) depressed, (13) both tended to feel they had no control over their lives, and to trust others (14) .

Those who had low literacy and numeracy were seldom (15) in any community organization and less likely than others to (16) in a general election. There had been no (17) in the literary level of (18) reporting problems.

Alan Wells, the agency’s director, said: “ The results emphasize the dangers of developing an underclass people, who were out of work, (19) depressed and often labeled themselves as (20) . There is a circle of marginalization, with the dice against these people and their families.”

7（）

A.skilled

B.mental

C.manual

D.mechanical