消毒时，氯在水中为杀灭细菌所消耗的数量（）。 A.很小 B.很大 C.全部 D.没有

白芍的适应证是（）

A.肝血虚或血虚有热之月经不调，崩漏

B.血虚肝郁之胁肋疼痛、阴血虚之手足挛痛

C.脾虚肝旺之腹痛泄泻

D.肝阳上亢之头痛眩晕

E.营卫不和，表虚自汗

急性起病，言语凌乱，喜怒无常，傻笑，行为幼稚。（）

A.精神分裂症单纯型

B.精神分裂症偏执型

C.精神分裂症青春型

D.精神分裂症未分化型

E.精神分裂症残留型

When you don’t have anything planned for the day or it’s rainy outside and your children are stuck in the house, why not sit around and tell them riddles? Telling riddles will make your family laugh and sometimes even scratch their heads, trying to figure out what the answer is.

Riddles have been a pastime for centuries. Not only have riddles been something for passing the time, but they have also been used to pass on secret information during the Second World War. Even the ancient Greeks used riddles. They would tell riddles at parties and whoever was the first to get them right would receive prize.

Most riddles use words that have double meanings or share the same sound like “hear” and “here”. So in order to get the riddle, you will have to do some creative thinking and think of all the possibilities of different words. The difficulty of figuring out the riddle is based on the riddle itself. The riddle has to provide you with enough clues to come to the right answer, but that doesn’t mean that the clues have to be easy.

If you are looking to tell riddles but don’t know any, you can look online and you will find a large number of sites that will have hundreds of different riddles to choose from. If you would like to look somewhere else then you could look at your local bookstore, where you will be able to find many different books with thousands of riddles to choose from. You can even find websites and books that will tell you how to write your own riddles.

After you have found some resources that have different riddles, you will need to read through them to find the right ones for you and your family: You will also need to make sure that your kids will have a chance to figure out the answers. So take your time and choose the right family riddles to tell.

小题1:What is the author’s main purpose in writing the text?

A．To recommend an interesting family activity.

B．To stress the importance of family activities.

C．To encourage children to read more books.

D．To introduce the history of riddles.小题2:From the text we know that riddles _______.

A．do not have enough clues

B．have a very long history

C．were used in World War One

D．were first used in ancient Rome小题3:In Paragraph 3, the author mainly ________.

A．discusses how riddles are created

B．explains why fiddles are interesting

C．tells people how to solve riddles

D．shows the benefits of telling riddles小题4:To collect riddles, the author suggests ________.

A．one way

B．two ways

C．three ways

D．four ways

下列不属于理财原则的特征是( )。

A．理财原则具有共同认识的特征

B．理财原则具有理性认识的特征

C．理财原则是财务管理理论和实务的基础

D．理财原则为解决新的问题提供指引

热值仪运行中仪表风压力下降会使仪器（）。

A、指示不稳

B、点不着火

C、指示误差大

D、灵敏度降低