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 26 .
Given how unsettling and haunting nightmares can be, is there a way for dreamers to 27 , or even turn off, these bad dreams as they happen?
Research is 28 , but some studies suggest that people who can master lucid dreaming—that is, the ability to be 29 that a nightmare is happening and possibly even control it without waking up—may hold the 30 .
Nightmares are part of the human experience, especially for kids. Doctors 31 don’t consider occasional nightmares a problem. They can just be symptoms of a sleep disorder that can 32 from an unpleasant experience, stress, or certain drugs.
To treat the disorder,there are a number of medicines and therapies that are backed by 33 research, according to the American Academy of Sleep Medicine, which analyzed the available research on the treatment of nightmare disorder in a recent 34 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 35 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
l) mechanical
J ) result
K) review
L) rigorous
M) tend
N) timidity
O) typically
答案解析：
根据“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...”，可知做了噩梦后，即便知道没什么可怕的，但还是充满恐惧，所以选G。
根据“or even turn off, these bad dreams as they happen”，可知这里说的是做梦者能否避免甚至关掉这些噩梦，所以选C。
根据“but some studies suggest...”，结合语境可知研究是有限的，所以才有“一些研究建议”这样的说法，所以选H。
根据“the ability to be...that a nightmare is happening”，可知这里说的是意识到噩梦正在发生的能力，“be aware that”表示“意识到”，所以选D。
根据“people who can master lucid dreaming...may hold the...”，可知掌握清醒梦的人可能掌握着答案，即解决噩梦的办法，所以选B。
根据“don’t consider occasional nightmares a problem”，可知医生通常不认为偶尔做噩梦是个问题，“typically”表示“通常”，所以选O。
根据“from an unpleasant experience, stress, or certain drugs”，可知这里说的是噩梦可能是由不愉快的经历、压力或某些药物导致的，“result from”表示“由……导致”，所以选J。
根据“a number of medicines and therapies that are backed by...research”，可知有很多药物和疗法有严谨的研究支持，“rigorous”表示“严谨的”，所以选L。
根据“published in the Journal of Clinical Sleep Medicine”，可知是在最近发表的一篇综述中分析了相关研究，“review”有“综述”的意思，所以选K。
根据“to have different kinds of nightmares at different points during the sleep cycle”，可知人们在不同的睡眠阶段往往会做不同类型的噩梦，“tend to do”表示“往往做某事”，所以选M。
