2013年职称英语备考每日练习理工类8_第2页

　　However, the dreamer does have control over one type of dream. This type of dream is called a "lucid"（清醒的） dream. Not everyone is a lucid dreamer. Some people are occasional lucid dreamers. Others can dream lucidly more or less all the time. In a lucid dream，the dreamer knows that he is dreaming.
　
　　16.Some people dream but cannot remember their dreams.
　　A. Right　　B. Wrong　　C. Not mentioned
　
　　17.In an average night，males dream longer than females.
　　A. Right　　B. Wrong　　C. Not mentioned
　
　　18.When we dream，there is less movement of electrical waves in our brains.
　　A. Right　　B. Wrong　　C. Not mentioned
　
　　19.Babies dream less than older children.
　　A. Right　　B. Wrong　　C. Not mentioned
　
　　20.Most dreams involve the people we played with when we were young.
　　A. Right　　B. Wrong　　C. Not mentioned
　
　　21.We rarely smell things in dreams.
　　A. Right　　B. Wrong　　C. Not mentioned
　
　　22.In a lucid dream we can use Morse code to communicate with others.
　　A. Right　　B. Wrong　　C. Not mentioned

答案:   16.A　17.C　18.B　19.B　20.C　21.A　22.C