2006年6月，小东计划把自己积蓄的3000元钱存入银行，存期一年，准备到期后把

第二节短文改错（共10小题，每小题1.5分，满分15分）

For different reasons, people are pouring into big cities, which cause much more trouble than expected. As the growth of the population, city problems are grown day by day. To begin with, big cities are becoming so crowed that it makes find jobs very difficult. As a result, people without jobs are likely to become danger to our society. In additional, the environment is getting worse and worse, and there is pollution and traffic problems as well as. We can’t choose but face with them. In my opinion, big cities need to control the population to help develop itself for the future. In terms of improving the environment, every citizen should be called on to contribute to protect the environment.

诉讼时效中断后诉讼时效期间从（）起重新计算。

A．从中断时

B．法定事由消灭之日

C．最后6个月

D．法定事由消除后的1个月

改革开放后我国出现人口大规模流动的最根本原因是 （ ）

A．主要受国家政策影响的非自发性迁移

B．国际人口迁移为主

C．户籍制度的改革

D．城市就业机会多，城乡和地区之间的巨大的收入差距

智力减退，动作迟钝，两足痿弱，主要见于（　）。

A．脾气虚衰，纳食减少

B．肺失宣发，津液不布

C．肝血不足，筋脉失常

D．肾精亏损，脑髓失养

在空气中用弹簧测力计测得某石块重5N；浸没在水中称量，弹簧测力计的示数为2N．

求：

（1）该石块受到的浮力；

（2）石块的体积；

（3）该石块的密度（取g=10N/kg）．