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问题 多项选择题

某国内航行沿海自卸砂船船，于2013年8月2日安放龙骨，总吨位2500，主机功率为735kw，该船的应急消防泵设在与机舱相邻的空舱，则关于该相邻舱壁的防火分隔问题，以下说法错误的是：（）

A、应急消防泵所在处所不属于控制站，舱壁的防火分隔为A-0级即可

B、应急消防泵所在处所属于控制站，舱壁的防火分隔应A-15

C、应急消防泵所在处所属于控制站，舱壁的防火分隔应A-30

D、应急消防泵所在处所属于控制站，舱壁的防火分隔应A-60

答案

参考答案：A, B, C

单项选择题

哪项不是职业病特点

A．病因明确

B．存在剂量-反应关系

C．多为群发性

D．需用特殊治疗方法

E．可以预防
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单项选择题

"In the long run," as John Maynard Keynes observed, "we are all dead. " True. But can the (1) run be elongated in a way that makes the long run (2) And if so, how, and at what cost People have dreamt of (3) since time immemorial. They have sought it since the first alchemist put an elixir of (4) on the same shopping list as a way to turn lead into gold. They have (5) about it in fiction, from Rider Haggard’s "She" to Frank Herbert’s "Dune". And now, with the growth of (6) knowledge that has marked the past few decades, a few researchers believe it might be within (7) .

To think about the question, it is important to understand why organisms-people (8) -age in the first place. People are like machines: they (9) That much is obvious. However, a machine can always be (10) A good mechanic with a stock of spare parts can keep it going (11) . Eventually, no part of the (12) may remain, but it still carries on, like Lincoln’s famous axe that had three new handles and two new blade.

The question, of course, is whether the machine is worth (13) . It is here that people and nature (14) . Or, to put it slightly (15) , two bits of nature disagree with each other. From the individual’s point of view, (16) is an imperative. You cannot reproduce unless you are alive. A fear of death is a sensible evolved response and, since (17) is a sure way of dying, it is no surprise that people want to stop it in its tracks. Moreover, even the appearance of ageing can be (18) . It (19) the range of potential sexual partners who find you attractive-since it is a sign that you are not going to be (20) all that long to help bring up baby-and thus, again, curbs your reproduction.

20（）

A.around

B.helpful

C.with

D.together
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