Look at the ten statements for this part. You will hear a passageabout "A Research on Sleep ". You will listen to it twice. Decide whether you think each statement is right(R), wrong(W)or not mentioned(NM). Mark your answers on the Answer Sheet.
单选题
When you first get into sleep, your temperature will rise slightly.
【正确答案】
B
【答案解析】
单选题
The lower your stage of sleep, the slower your brain waves will be.
【正确答案】
A
【答案解析】
单选题
After you have reached the deepest sleep, you will have more dreams.
【正确答案】
C
【答案解析】
单选题
Before one reaches the deepest sleep, loss of consciousness has already occurred.
【正确答案】
A
【答案解析】
单选题
You stay at the deep fourth stage all the rest of the night.
【正确答案】
B
【答案解析】
单选题
Muscular relaxation, temperature drop and breath regularity are characteristics of Stage 4 sleep.
【正确答案】
B
【答案解析】
单选题
REM sleep is characterized by a lack of body movement.
【正确答案】
A
【答案解析】
单选题
During the REM period your eyes will move around under the eyelids as if you were looking at something happening in front of you.
【正确答案】
A
【答案解析】
单选题
An increase in the activity cycle shows a decrease in the body's delta rhythm.
【正确答案】
B
【答案解析】
单选题
Extensive muscular inhibition happens during REM sleep.