过滤器应安装在系统中的哪些位置（） A.泵的吸油口 B.泵的压油口 C.系统的回油路

阅读短文，选择正确选项。

       Do you need useful and interesting books? Here we've got plenty for you.

       Successful Fishermen

       Fishing is a healthy hobby. You can enjoy fresh air when you go fishing in the countryside. This book will

teach you how to choose fishing places and how to make good fishing rods (竿) easily. Many kinds of fishing

skills are shown in the book. Read it and you will become a more successful fisherman.

       Best Learners 

       This book can give you the answers to the questions most often asked by parents, teachers and students

themselves. Read this book and learn:

       ● What the three difficulties in study are and what to do with them.

       ● What to do if you are not interested in a subject you are studying.

       ● Twenty-six simple exercises to help you study easily and fast. You will get more from this book. For

younger students, you can buy Learn to Study for Beginners. It is easier to understand.

       How to Keep Pets

       A pet can be our best friend. Do you have pets in your house? Are they in good shape? This book not only

offers you many colorful pictures of lovely pets, but also provides you with the knowledge about:

      ●How to choose right pets for yourself.

      ●How to build houses or nests (窝) for your pets.

      ●How to feed the pets and how to keep them clean. 

       Buy this book and you will learn more.

       We have many other books on sale. For more information enter www. knowbetter. com. If you buy two

or more books at a time, you'll get 10% off.

1. If you buy and read Successful Fishermen, you will ______. [ ]

A. go to the countryside

B. know where to buy fishing rods

C. know how to cook fish

D. learn how to choose fishing places

2. You can              for more information about other books according to the passage. [ ]

A. call the writer

B. go to the shop

C. search the Internet

D. ask the clerk

3. You can most probably (可能) find this passage in a             . [ ]

A. story

B. report

C. dictionary

D. newspaper

女性，56岁，一年前诊断为心绞痛，3小时前胸骨后绞痛发作，在家中口含硝酸甘油未见缓解，并伴有胸闷、出冷汗、呕吐，急查心电图提示室性心律及急性前壁心肌梗死。当家人询问病人痊愈情况时，应回答

A．很难说，多数病人需要很长时间
B．您好像对病人的恢复存在焦虑
C．不要紧，她会很快恢复正常
D．病人的康复需要一定时间，病程比较慢
E．担心能否痊愈是很正常的，需要病人的努力

《政府信息公开条例》规定，涉及国家秘密、商业秘密和个人隐私的不能公开，除此之外，都可以公开。这要求政府必须做到

①依法行政         ②廉洁高效         ③权责统一           ④审慎用权

A．①②③

B．②③④

C．①③④

D．①②④

不可更新资源：是指在被开发利用后基本上或者根本上不能再生的资源。
下列不属于不可更新资源的是( )

A．石油

B．天然气

C．塑料袋

D．树木

抗寄生虫药主要是指用于杀灭、驱除和预防寄生于宿主（人和动物）体内的各种寄生虫的药物，有驱肠虫药、抗血吸虫病药、抗丝虫药、抗疟原虫药和抗滴虫药等。

吡喹酮属于（）

A.抗疟药

B.抗血吸虫病药

C.抗滴虫病药

D.驱肠虫病药

E.抗丝虫病药