关于质点，下列说法正确的是[ ] A．质点一定是体积、质量极小的物体 B．计算火

Nowadays, we can find advertisements almost e  1  we go. An advertisement uses words and p  2  to attract people to buy goods or s  3 . This kind of advertisements is c  4   commercial(商业) advertisements. Newspapers, magazines, the Internet and t  5  are the most common places to find them.

The other k  6  of advertisements is public service advertisements(PSAs). The aims of PSAs are to teach us and help us lead b  7  lives. You have probably seen or heard some of them, such as “knowledge changes life.” There are also PSAs that e  8   people to support public service projects, such as Project Hope. There are even PSAs to teach us how to live healthy lives. One of these is, “When you smoke cigarettes, you are s  9  killing yourself.” You can often learn a lot by f 10  the advice they give.

下列各句中，没有语病的一句是[ ]

A．《图片报》评出了德甲新赛季六轮后迅速蹿红的“十大新星”，其中三人即将被勒夫召入新一届的德国国家队。

B．上海世博会10月18日至22日举行的香港活动周为游客安排了包括音乐、舞蹈、粤剧、电影、时装表演、设计、艺术以及智能卡先进应用科技展览在内的一连串内容。

C．只要顾客走到她的柜台，她就会送去亲切的问候，凡是真心买东西的顾客，她主动当好参谋，决不会空手而归。

D．大会期间，广大代表认真阅读领会《政府工作报告>的实质精神，提出了许多具有建没性的意见和建议。

患者女，43岁，缺失，正常，医师设计固定义齿修复

对该桥体采取减轻力的方法中，下述哪项是不正确的（）

A.减小桥体面颊舌径宽度

B.加大桥体的面颊外展隙

C.使桥体的面尽可能平坦，不形成明显的沟槽

D.加深面沟槽

E.锐利牙尖

白果在定喘汤中的作用是

A．散寒平喘
B．敛肺定喘
C．清泻肺热
D．止咳化痰
E．降气平喘