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  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
【C8】
选项
答案L
解析 空格后有名词research，因此空格处应填入形容词。本句意为：为了治疗睡眠障碍，有很多得到了________研究支撑的药物和疗法。本题可以用排除法。在备选形容词中，D)aware不能作名词的定语，即不能位于名词之前，I)mechanical不能修饰research，意义不通，因此排除这两项。H)limited意思是“有限的”，与句中a number of“大量的”相矛盾，因此排除。由此确定本题答案为L)rigorous，rigorous research表示“严格的研究”。
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