采用物价指数法评估进口设备所适用的价格指数是（）。 A.设备进口国零售商品价格指数

计算：a²·a²=（    ），（xy²）²=（    ）。

下列判断中一定正确的是

A．若X、Y都是气态氢化物，且相对分子质量：X﹥Y，则沸点：X﹥Y

B．若X、Y属于同主族元素，且相对原子质量：X﹥Y，则X的失电子能力比Y强

C．若R^2-和M⁺的电子层结构相同，则原子序数：R﹥M

D．若M、N是同主族元素，且原子序数：M﹥N，则非金属性：M﹥N

与胃癌发生关系最密切的病变是()

A．慢性表浅性胃炎

B．慢性萎缩性胃炎

C．肠上皮化生

D．假幽门腺化生

E．胃粘膜异型增生

A company receives a payment of $10000 on 1 December, for rent on a property for December and January. On receipt, they correctly record it as cash and unearned revenue. If at 31 December, their year-end, they failed to make an adjustment entry related to this payment, what is the effect on the financial statements for the year（）

A. Assets are overstated by $5000 and liabilities are overstated by $5000.

B. Assets are overstated by $5000 and owner’s equity is overstated by $5000.

C. Liabilities are overstated by $5000 and owner’s equity is understated by $5000.

在线升级WindowsXP时，出现安全设置警告后，单击（）后继续进行下一步操作

A.是

B.否

C.详细信息

D.自定义