Everybody dreams. Some people think dreams can tell us about the future. Other people think dreams can tell us about ourselves. It’s like our (11) is talking to us.

Why are dreams (12) strange and hard to understand Some people think our brain uses (13) to talk to us. When we fly, swim, or fall down in our dreams, it has a (14) meaning. Lots of doctors help people (15) their dreams. They find that dreams tell us about our (16) and fears.

These days, many scientists (17) that dreams are very important. During the day, we have many (18) , and our brain receives a lot of information. When we dream, our brain (19) information that is not important, and puts the most important information into our (20) . As we learn more about the brain, we may find answers to our questions about dreams.

18().

A.experiences 

B.dreams 

C.mistakes 

D.inventions

下列关于汽车照明系统的叙述不正确的是（）

A、前照灯的光源是灯泡。

B、充气灯泡采用钨丝作灯丝，灯泡内充以氩和氮的混合惰性气体。

C、反射镜可使光线向较宽的路面散射

D、配光镜也称散光玻璃，由透明玻璃压制而成，是透镜和棱镜的组合体