题目内容

【36】consistently has been associated with the varying amount, quality, and pattern of electrophysiologically defined sleep. The newborn infant may spend an average of about 16 hours of each 24-hour period in sleep,【37】the sleep time drops sharply; by two years of age, it may【38】from nine to 12 hours. Decreases to approximately six hours have been observed among the elderly.
【39】will be discussed from below, EEG sleep studies have indicated that sleep can be considered to consist of several different stages. Developmental changes in the relative proportion of sleep time【40】in these sleep stages are as striking as age-related changes in total sleep time.
(31)

As
B. Despite
C. While
D. Whether

查看答案

搜索结果不匹配？点我反馈

更多问题

What is the difference between the resorts advertised and the Embassy Suites Hotels.9

A. There is no evening reception at the resorts.
B. There is complimentary breakfast at the resorts.
C. There are no pools in Embassy Suites Hotels.
D. There are comforts of home in Embassy Suites Hotels.

查看答案

What is expected of the unemployment rate for this year？

A. Less than 4%.
B. About 4%.
C. Mom than 4%.
D. The information is not given.

查看答案

Which of the following people will head to the cities to seek employment？

A. Laid-off workers.
B. New graduates.
C. Rural workers.
D. All of these people.

查看答案

He applied for Teaching Assistantship to finance his education and was ______ the position

A. qualified
B. granted
C. presented
D. supplied

查看答案

As B. Despite C. While D. Whether

What is the difference between the resorts advertised and the Embassy Suites Hotels.9

What is expected of the unemployment rate for this year？

Which of the following people will head to the cities to seek employment？

He applied for Teaching Assistantship to finance his education and was ______ the position

As
B. Despite
C. While
D. Whether