题目内容：
One of the sleep problems is waking in the middle of the night，unable to________.参考答案：
答案解析：
单选题：One of the sleep problems is waking in the middle of the nig
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Compared with large aircraft, small airplanes are not as str
Compared with large aircraft, small airplanes are not as streamlined and hence a
回答题：Stress Level Tied to Education LevelPeople with less edu
回答题：Stress Level Tied to Education LevelPeople with less education suffer fewe
Paragraph 6________.
Paragraph 6________.A．Keprike’s research tool B．Dangers of Habitual shortages of
The economy continued to exhibit signs of decline in Septemb
The economy continued to exhibit signs of decline in September.A．play B．show C．s
According to the selection, streams overtop their banks part
According to the selection, streams overtop their banks partly because_________.