问题 单项选择题

前货舱通风,下列说法错误的是()

A.在地面,货舱通风控制器打开隔离活门,由抽风扇将从客舱来的空气抽出机外

B.在空中△P≤1PSI时,控制器停止风扇工作,由压差保持通风

C.在空中△P>1PSI时,控制器停止风扇工作,由压差保持通风

D.前货舱通风排出气体经外流活门排出机外

答案

参考答案:B

完形填空

It is easy for some people to learn a second language. However, others have difficulty in learning a new language. What can you do to help yourself learn a second language, such as English?__小题1:__

1.Feel positive about learning English.__ 小题2:__Be patient. You do not have to understand everything all at once. It is natural to make mistakes when you learn something new. We can learn from our mistakes. In other words, do not worry about making mistakes.

2.Practice your English. For example, write a diary every day. You will form a habit of writing it in English, and you will feel comfortable expressing your ideas in English.__ 小题3:__ In addition, you must speak English every day. You can practice with your classmates outside class.

3.__小题4:_You can write this in your journal. After each class, think about what you did. Did you answer a question correctly? Did you understand something the teacher explained? Perhaps the lesson was difficult, but you tried to understand it.

You must be positive about learning English and believe that you can do it. It is important to practice every day and make a record of your achievements.__ 小题5:__

A.Go over the points you have learned.

B.Keep a record of your language learning.

C.Don't give up when you meet some difficulty.

D.If you believe that you can learn, you will learn.E. Several weeks later, you will see that your writing is improving.

F. In these ways, you will enjoy learning English, and you will feel more confident in yourself.

G. There are several ways to make learning English a little easier and more interesting.

单项选择题