If you are worried about things and are under a lot of stress at work or school，then you are probably not sleeping well．Worry can keep you awake，tossing and 26 in bed until the early hours of the morning when you eventually27asleep．When you wake up，you don’t feel 28，but tired and worn out and 29 to face a new day．
    Dr．Henry Winkle，in a recent newspaper article30 Stress and Sleep，31 that stress and lack of sleep are directly32．Dr．Winkle says，“the more we worry，the33 we sleep，the more we are unable to deal with34．”“If we can find a way to get a good night’S sleep，”he 35．“we can often find the36 to deal with what’S worrying US．”
    So,what is a good night’s sleep ? Research shows that the amount of sleep which people need in order to keep healthy37a lot．Seven hours is about the average amount，38strangely enough，sleeping longer often gives you a headache 39 0f making you feel more refreshed.
    Dr．Winkle believes that preparing for sleeping is important．People who work late should try to give themselves a short40and do something restful before going to bed．This could be watching TV or listening to music．Doing some exercise41in the day should help you to feel physically as well as42 tired．A bedtime drink Can also help，but coffee or tea should be avoided as they contain caffeine(咖啡因)and will keep you 43．“When you put the light 44，”Dr．Winkle says，“concentrate on relaxing your muscles．Working slowly up from your feet，and you’11 be asleep45 you know it．”
根据以上内容，回答题。

Which of the following answers lists either a protocol or function that can be used by a host to dynamically learn its own IPv6 address?（）

A block that can be opened at the hook or shackle end to receive a bight of the line is a（）.

回答题
    Eggs are my favorite food．I like them 21 ，hard-boiled，scrambled，or poached．I eat eggs for 22 ，lunch，and dinner．I eat eggs here，there，and everywhere!
    Eggs taste great．You can eat them by 23 or as part of any meal．Eggs are 24 used as an ingredient in many prepared foods．Can you think of any foods that contain 25 ?
    Eggs are really a perfect food．They are 26 in most of the nutrients we need to maintain good 27 ．When a baby chicken develops 28 an egg，the egg 29 and yolk are the only foods they need．
    Many people believe that eggs are 30 ．They point out that eggs contain a very high amount of cholesterol(胆固醇)．Too 31 of one kind of cholesterol in our blood can cause heart disease．
    There is no evidence that eggs 32 the harmful cholesterol in our blood．When we eat foods that are 33 in cholesterol，our bodies make 34 of it to balance，or adjust．
    If you want to enjoy a tasty and healthy food．eat plenty of 35

Which parts of the United States will become wetter or drier is the question that scientists currently unable to determine about the global warming effects on the U.S.____

His brother has become a lawyer, ______ he wanted to be.

A salvor may be（）the whole or part of the payment due under Salvage Convention to the extent that the salvage operations have become necessary or more difficult because of fault or neglect on his part or if the salvor has been guilty of fraud or other dishonest conduct.

The Shipowner must not stow goods on deck（）there is a trade usage to that effect or the Charterer has given his express or implied consent.

His example（）that everyone can become a useful person in society so long as he is willing to work hard.

Everyone has a right to enjoy his liberty, and _____ his life.

Diesel engine lube oil can become contaminated as a result（）