口腔生态系的影响因素不包括（）_口腔内科基础知识_全学科试题题库

当前学科：口腔内科基础知识

题目：单选
口腔生态系的影响因素不包括（）
答案： <查看本题扣1积分>

查看答案

答案不对？请尝试站内搜索

推荐知识点:

标高-0.450是表示该处地面比底层室内地面底450MM。

为了表示一个热辐射光源所发出光的光色性质，常用到（）这个量，单位为K。这个量是指在规定两波长具有与热辐射光源的（）相同的黑体的温度。

增加平均次数会导致()

下颌在做前伸运动时，髁突在关节凹内向前下方运动的道路是（）

尿糖干化学试带膜块中不含有()

在下列设备中，需要维护全国号段信息的设备包括（）。

原料气净化的作用是什么？

颈动脉海绵窦瘘CT表现（）

Good Table Manners Manners play an important part in making a favorable impression at the dinner table. Here are some general rules： Napkin （餐巾） use The meal begins when the host unfolds his or her napkin. This is your signal to do the same， so place your napkin on your lap. Unfold it completely if it is a small napkin. Or in half， lengthwise （纵向地），if it is a large dinner napkin. If you need to leave the table during the meal， place your napkin on your chair as a signal to your server that you will be returning. Once the meal is over， place your napkin neatly on the table to the right of your dinner plate. Do not refold it. Use a napkin only for your mouth. Never use it for your nose， face or forehead. Use of utensils （餐具） Start with the knife， fork or spoon furthest from your plate， and work your way in， using one utensil for each course. If soup is served， remember to spoon away from yourself. This helps stop the drips. Do not put the entire soup spoon in your mouth. Instead， fill a soup spoon about 75 per cent with soup， and sip（啜饮）it from the side noiselessly. After finishing dinner， place the knife and fork parallel to one another across the plate with the knife blade facing inward toward the plate. Using your fingers Here's a list of finger foods： sandwiches， cookies， small fruits or berries with stems， French fries and potato chips， and hamburgers. Chew（咀嚼）with your mouth closed and don't make noise； don't talk with your mouth full. Bread must be broken with your hands. It is never cut with a knife. Don't pick something Out of your teeth. Instead， excuse yourself to the bathroom. If possible， try not to cough at the table. Do not put your elbows （肘） on the table. In France， it is essential to have both hands above the table at the same time. Do not put bones or anything else on the table. Things that are not eaten should be put on your plate. Where is the napkin normally placed during the meal？（） The napkin is used only for（）. Which utensil is used first？（） All of the following are finger foods EXCEPT（）. Which of the following shows good table manners？（）

按容器结构形状不同，压力容器有（）