題目列表(包括答案和解析)
Dreams can happen in any of the four stages of sleep. The most memorable and clearest dreams happen in the last stage of sleep (also known as REM sleep). The sleep cycle repeats about four to five times every night. So you can see how a person has several different dreams in one night. Most people only remember dreams that happen closer to the morning when they are about to wake up. That you can’t remember those dreams does not mean they never happened.
The stages in the sleep cycle are organized by the changes in different brain activities.
Stage 1: You are entering into light sleep. In this stage, your eyes move rapidly. We call this NREM. The body gets relaxed and your body temperature lowers. Your heart rate lowers, too. The body is preparing to enter into deep sleep.
Stage 2: Also characterized by NREM. In this stage, the body temperature and heart rate drop again. You are completely asleep.
Stage 3: Still in the NREM stage, this is a deeper sleep still.
Stage 4: In this stage of sleep, your eyes move back or forward. We call it REM sleep. This stage happens at about 90-100 minutes after the beginning of sleep. Your blood pressure rises, heart rate speeds up. The majority of your dreams happen in this stage.
These stages repeat themselves throughout a night’s sleep.
【小題1】 Dreams can happen in ___________.
A. Stage 1 and 2 B. Stage 3 and 4 C. every stage
【小題2】Which of the following sentences is TRUE according to the passage?
A. These stages will happen once or twice one night.
B. Most people only remember the dreams that happen when they are about to wake up.
C. If one can’t remember his dreams, he never dreams at all.
【小題3】What will happen in Stage 2?
A. Eyes move rapidly. B. People enter into light sleep. C. Heart rate drops.
【小題4】The first REM sleep happens about ___________ after the starting of sleep.
A. 1 to 2 hours B. 2 to 3 hours C. 10 minutes
【小題5】The passage is mainly about ___________.
A. the stages of sleep B. types of dreams C. remembering dreams
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摘錄要點,閱讀短文,然后完成內(nèi)容摘要。每空不超過三個詞。 There are many things that you should be careful with when you are alone at home. Read the following situations to protect yourself. ●Keep the door locked when you are alone at home. Many people think it's the best way to protect themselves. ●Keep a list of phone numbers to call for help-such as 110, the police station or a neighbor's number ●Be careful with the electrical appliances(電器). If you don't know how to use them, ask your parent. Make a safety check before going to sleep. ●Look through the keyhole when you hear the doorbell. If there are strangers, ask " Who's that?" with the door locked and say" Come back later. " Don't tell them that your parents are away. Say" Mum's having a shower. "or "Dad's having a sleep. "
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