财经广告常用的模式包括（）。 A.新闻体广告文稿 B.书信体广告文稿 C.证明体广告

反映红细胞体积差别程度大小的指标是（）

A.RDW

B.PDW

C.MCHC

D.MPV

E.MCV

Last week, Beauty offered to buy Allan’s computer at $3,000 for the purpose of writing a thesis. However, Beauty subsequently agreed to increase the purchase price to $5,000 after Allan told her that the computer could also be used for playing movies, and this became one of the contractual terms between the parties in the contract of sale.Beauty paid $5,000 to Allan, received the computer from Allan and completed the thesis by making use of the computer. However, she could not play movies with the computer.Required:In relation to contract law, advise Beauty as to her rights under the contract. (10 marks)

粉煤灰硅盐水泥中混合材料的掺量为（）%。

A、>5且≤20

B、>10且≤20

C、>20且≤40

D、>20且≤50

若有定义float a=25, b,*p=&b;，则下列对赋值语句*p=a; 和p=&a；的正确解释为( )。

A．两个语句都是将变量a的值赋予变量p

B．*p=a是使p指向变量a，而p=&a是将变量a的值赋予变量指针p

C．*p=a是将变量a的值赋予变量b，而p=&a是使p指向变量a

D．两个语句都是使p指向变量a

在面向对象技术中，多态有多种不同的形式，其中 (16) 和 (17) 称为通用多态， (18) 和强制多态称为特定多态。

（17）处填（）。

A．重置多态

B．过载多态

C．隐含多态

D．包含多态