平整度测试仪分断面类和反应类两种，3m直尺和颠簸累积仪属于______测试仪。 A．

我国的进出口邮包必须由寄件人填写( )向邮包寄达国家的海关申报。

A．报关单

B．报税单

C．出入境货物通知单

D．备案清单

《人民日报》载文指出，迄今为止，人类社会财富的生产可归结为递进的方式：用手工工具生产、用机器生产、用高科技生产。正是随着生产力和生产关系的不断发展，财富的形式与结构才日益呈现多样性，形成当今物质生产、服务生产和知识及精神生产三大部门组成的现代产业结构，以及由物质产品、服务产品、知识及精神产品三大类构成的现代财富结构。

从文化生活常识的角度看，上述材料对我们有何启示。

纳税人下列行为应视同销售确认所得税收入的有（）。

A．将货物用于偿债

B．将商品用于赞助

C．将产品用于职工福利

D．将产品用于管理部门

在释放状态下，倒扣捞矛的卡瓦外径要（）落鱼通径。

A、略大于

B、略小于

C、小于

D、等于或略小于

"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.

12（）

A.spare

B.original

C.new

D.advanced