当一手五指离断时，下列哪种再植顺序是正确的（）. A.环指-中指-小指-拇指-示指

教育对文化的保存和维持，主要是通过选择、整理和传递来实现的。

平均利率具有以下特点( )。

A．随着技术发展和资本有机构成的提高，平均利率有下降趋势

B．平均利率具有相对稳定性

C．平均利率的决定具有很大偶然性

D．平均利率与市场经济条件好坏无关

E．平均利率具有政策性

2010年中国货物出口排名第几（）

A.1

B.2

C.3

D.4

Deflation is an economic theory relating changes in the price levels to changes in the quantity of money. In its developed (1) , it constitutes an analysis of the (2) underlying inflation and deflation. As (3) by the English philosopher John Locke in the 17th century, the Scottish (4) David Hume in the 18th century, and (5) , it was a weapon (6) the mercantilists, who were thought to equate wealth with money. If the (7) of money by a nation merely raised (8) , argued the quantity theorists, then a "favourable" balance of trade, (9) desired by mercantilists, would increase the supply of money but would not in-crease (10) . In the 19th century the quantity theory (11) to the ascendancy of free trade over protectionism. In the 19th and 20th centuries it played a part in the (12) of business cycles and in the theory of foreign (13) rates.

The (14) theory came under attack during the 1930s, (15) monetary expansion seemed ineffective in combating deflation. Economists argued that the levels of investment and government spending were more important than the money supply in determining economic activity.

The tide of opinion (16) again in the 1960s, when experience (17) post-World WarⅡ inflation and new empirical (18) of money and prices— (19) A Monetary History of the United States (1963) by Milton Friedman and Anna Schwartz—restored much of the quantity theory’ s lost prestige. One implication of this theory is that the size of the stock of money must be considered when shaping governmental policies (20) to control prices and maintain full employment.

19（）

A. similar to

B. such as

C. along with

D. aside from

001年诺贝尔生理学奖或医学奖授予三位科学家。这三位科学家发现了调控细胞周期的一系列基因，以及相关的酶和蛋白质。这项工作对肿瘤研究等领域产生了重大影响。医学上，对于癌症病人通常采用手术切除肿瘤，然后再进行“化疗”的方法。“化疗”的基本原理是通过化学药物作用于细胞周期的某一时期，抑制癌细胞的增殖，从而达到控制病人病情恶化的目的。请回答下面的问题：

细胞癌变是由于细胞内的遗传物质发生了改变，使细胞在适宜的条件下能够（）。