根据服务功能不同，社会福利服务包括（）。A.直接满足生理需要的服务 B.恢复社会功能

买入并持有策略下，投资组合的价值与股票市场的价格波动保持( )变动。

A．同方向
B．反方向
C．无关
D．不能判断

根据短文内容，从下面选项中选出能填入空白处的最佳选项来补全短文。其中有一项是多余的。

Everyone needs friends. But how do you find real friendship and keep it?

The American writer Sally Seamans tells young students some smart ways to find friends.       16      . You plant the seed (种子) and take care of it to make it grow.

First, you should choose a friend. What makes a good friend? It is not because a person has money or good looks.         17         For example, if you have a bad day, a good friend could listen to your complaints (抱怨) and do his or her best to help you. To make a friend, you can’t be too shy. You should make each other happy and share your lives.

But things can not always be happy.         18          What should you do when you have a fight with your friend?          19          When there is no one around, have a good talk. If he or she doesn’t want to talk, you can write a letter.

There are three steps to be friends again:

Tell him or her how you are feeling,       20         Remember that friendship is one of the most important things in your life.

A．say what your friend did wrong and talk about why you did this or that.

B．Sally says founding friendship is just like planting a tree

C．A good friend should be kind and patient.

D．Even the best friends have fights.E. You have to talk to him or her.

F. Getting angry easily can make you lose friends.

咯血是指从何部位出血而经口排出（）

A.全呼吸道

B.咽部以下呼吸道

C.喉部以下的呼吸道

D.隆突以下的支气管

E.肺部

以下哪项不是计量管理模块实用化的验收标准（）

A、计量配送流程的使用

B、电能计量装置的购置计划、轮换计划及轮校计划

C、建立电能计量装置及标准装置的资产档案，实现资产入库、资产流转、资产报废的全过程跟踪管理

D、能根据业务报装工作单实现计量装置的发放及配置流程管理

饭店经营有哪些特点？