2. 外语
  3. The sheets are damp with sweat. You’re cold, but your heart is racing as if a killer just chased you down a dark street. It was

The sheets are damp with sweat. You’re cold, but your heart is racing as if a killer just chased you down a dark street. It was

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问题     The sheets are damp with sweat. You’re cold, but your heart is racing as if a killer just chased you down a dark street. It was just a nightmare, you tell yourself; there’s nothing to be afraid of. But you’re still filled with【C1】________.
    Given how unsettling and haunting nightmares can be, is there a way for dreamers to【C2】________, or even turn off, these bad dreams as they happen?
    Research is【C3】________, but some studies suggest that people who can master lucid dreaming—that is, the ability to be【C4】________that a nightmare is happening and possibly even control it without waking up—may hold the【C5】________.
    Nightmares are part of the human experience, especially for kids. Doctors【C6】________don’t consider occasional nightmares a problem. They can just be symptoms of a sleep disorder that can【C7】________from an unpleasant experience, stress, or certain drugs.
    To treat the disorder, there are a number of medicines and therapies that are backed by【C8】________research, according to the American Academy of Sleep Medicine, which analyzed the available research on the treatment of nightmare disorder in a recent【C9】________published in the Journal of Clinical Sleep Medicine.
    However, nightmares are complicated, and researchers are still struggling to understand them, said Dr. Rachel Salas, an expert on sleep disorders and an associate professor at Johns Hopkins Medicine in Baltimore. What we do know is that people【C10】________to have different kinds of nightmares at different points during the sleep cycle.
A)  amount
B)  answer
C)  avoid
D)  aware
E)  depart
F)  drastically
G)  fear
H)  limited
I)  mechanical
J)  result
K)  review
L)  rigorous
M)  tend
N)  timidity
O)  typically
【C10】
选项
答案M
解析 分析空格所在句的句子成分可知，本句缺少谓语动词，因此空格处应填入动词，且能与后面的to have构成to do结构。本句意为：我们所知道的就是，人们在睡眠周期的不同时间_________做不同类型的噩梦。备选项中符合要求的只有M)tend“往往”使句意通顺，故答案为M)。备选的其他动词均没有此含义，而且都不能与to do连用，因此排除。
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大学英语四级

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