[单选题]在两个DCU电制动可用无效时，列车限速为( ）。-我要搜题网

[单项选择]Human beings are animals. We breathe, eat and digest, and reproduce the same life (21) common to all animals. In a biological laboratory rats, monkeys, and humans seem very much the same.
However, biological understanding is not enough: (22) itself, it can never tell us what human beings are. (23) to our physical equipment the naked human body--we are not an (24) animal. We are tropical creatures, (25) hairless and sensitive to cold. We are not fast and have neither claws nor sharp teeth to defend ourselves. We need a lot of food but have almost no physical equipment to help us get it. In the purely physical (26) , our species seems a poor (27) for survival.
But we have survived--survived and multiplied and (28) the earth. Some day we will have a (29) living on the moon, a place with neither air nor water and with temperatures that turn gases into solids. How can we have done all these things Part of the
A. bet
B. chance
C. fact
D. luck

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[判断题]机组成员的飞行时间是指机组成员在飞机飞行期间的值勤时间，仅指在座时间，不包括不在座时间。
A.正确
B.错误

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[多选题]根据《民法通则》的规定，下列行为中，属于可撤销、可变更行为的有：
A.显失公平的行为
B.违反社会公共利益的行为
C.以合法形式掩盖非法目的的行为
D.恶意串通，损害第三人利益的行为
E.行为人对行为内容有重大误解的行为

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[单选题] 液化气瓶的联接形式为:
A.倒旋螺纹
B.顺旋螺纹
C.夹紧

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[多选题]滚筒的参数有（）。
A.A、厚度
B.B、宽度
C.C、螺旋叶片头数
D.D、螺旋叶片升角

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[判断题]遇大断面掘进时，可以采用台阶式施工。（）
A.正确
B.错误

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[单项选择]母公司期初期末对子公司应收款项余额分别是250万元和200万元，母公司始终按应收款项余额5%0提取坏账准备，则母公司期末编制合并财务报表抵销内部应收款项计提的坏账准备分录是（）。
A. 借：应收账款——一坏账准备10000

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[单选题]施工机具和安全工器具应（），专人保管。入库、出库、使用前应进行检查。
A.统一编号
B.专人领用
C.专库保管
D.集中放置
E.略
F.略

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[简答题]

(凡要求计算的项目，除特别说明外，均需列出计算过程；计算结果出现小数的，均保留小数点后两位小数；凡要求编制会计分录的，除题中有特殊要求外，只需写出一级科目。)

乙股份有限公司(以下简称乙公司)为上市公司，乙公司发生的有关债券投资业务如下：
(1)20×7年1月1日，以516万元的价格购入A公司于同日发行的4年期一次还本、分期付息债券，债券面值总额为500万元，每年1月1日付息一次，票面年利率为6%，乙公司将其划分为持有至到期投资，购买时支付相关费用1.73万元，2×11年1月1日A公司支付本金和最后一期的利息。
(2)经计算实际年利率为5%。
要求：编制乙公司各年有关的会计分录。（答案以元列示，计算结果保留整数）

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[单选题]入党积极分子至少经过( )时间培养教育考察才可列为发展对象。
A.半年
B.半年以上
C.一年
D.一年以上

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[单项选择]急性脊髓炎急性期应用大剂量甲泼尼龙冲击治疗，有可能控制病情发展，临床症状明显改善通常出现在什么时间（）
A. 用药3天后
B. 用药1周后
C. 用药1个月后
D. 用药2个月后
E. 用药3个月后

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[单项选择]

Everyone knows that taxation is necessary in a modern state: (21) it, it would not be possible to pay the soldiers and policemen who protect us; (22) the workers in government offices who (23) our health, our food, our water, and all (24) things that we can not do for ourselves. By (25) of taxation, we pay for things that we need as (26) as we need somewhere to live and something to eat,
In most countries, a direct tax on persons, (27) is called income tax, exists. It is arranged in such a way that the poorest people pay (28) , and the percentage of tax grows greater as the taxpayer’s (29) grows. In England, for example, the tax on he (30) people goes up as high as ninety-five percent!
But countries with direct taxation nearly always have (31) taxation too. Many things imported into the country have to pay taxes or "duties". (32) , it is the men a
A. because of
B. instead of
C. with
D. without