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提问人:网友jellongd 发布时间:2022-01-07
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Why did one scientist expose birds to artificial daylight?A.To test the relationship betwe

Why did one scientist expose birds to artificial daylight?

A.To test the relationship between daylight and a disease of the glands common to birds.

B.To test the relationship between daylight and migration.

C.To test the relationship between migration and temperature.

D.To test the relationship between daylight and changes in the season.

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更多“Why did one scientist expose birds to artificial daylight?A.To test the relationship betwe”相关的问题
第1题
【其它】[图] Paragraph Writing: Problem-Solution Pat...

【其它】Paragraph Writing: Problem-Solution Pattern Helicopter parenting, or over-parenting, is a recurring theme in recent books and articles. Researchers worry that children with helicopter parents might be less open to new ideas and actions, as well as more vulnerable, anxious and self-consciousness. What can you suggest parents do to resolve this problem? How can they do to avoid overparenting? Use at least 150 words to illustrate your ideas in one paragraph to explain your idea in details. Remember to use examples to extend your ideas and follow the Problem-Solution paragraph writing pattern.

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第2题
They started ___ in mosques and on market squares.

A、saying

B、speaking

C、preaching

D、teaching

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第3题
It is curious how often sympathy for the old and infirm takes a form. which actually humiliates them. Their friends, with good will, sometimes lean forward to rearrange their neckwear, touching their hair or patting their faces—things they would never presume to do, unasked, to one of their contemporaries. An equally humiliating habit is to talk about old people in front of them as if they were not there, discussing their health.

It is now universally accepted that children should be encouraged to do as much as they can for themselves in order to develop their brains and muscles, but so few people today seem to have time to allow the elderly the same means of keeping their minds and muscles active. They perform. innumerable services for the old that they would be much better left to do, even with a struggle, for themselves.

Convenient flats, "motherly" visitors, or organized entertainments cannot make up for the fundamental need which must be satisfied the need to retain to the end of life human dignity and the respect of one's fellows.

Many people are not aware that it is rather rude to ______.

A.talk casually about old people in front of them as if they were not there

B.show sympathy for the old

C.take care of the old when they are not ill

D.pat the faces of the contemporaries

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第4题
Salesman: Good morning. Planning to buy a new car today? Customer: ______. Salesman: What kind of car are you looking for? Customer: Something that has enough room for my family.

A.I'm just looking around

B.I'm just looking everywhere

C.I'm just looking here and there

D.I'm just looking all the cars

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第5题
They are going to have the serviceman ______ an electric fan in the office tomorrow.A.inst
They are going to have the serviceman ______ an electric fan in the office tomorrow.

A.install

B.to install

C.to be installed

D.installed

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第6题
Jane: Hello Sally. Fancy meeting you here!Sally: Hello, Jane.Haven't seen you for a long t
Jane: Hello Sally. Fancy meeting you here!

Sally: Hello, Jane. Haven't seen you for a long time. You've got married, haven't you?

Jane: Yes, I have. I got married four years ago.

Sally: ______.

A.Oh, wish you happiness

B.Oh, really? Enjoy yourself

C.Oh, my congratulations

D.Oh, is it? Have a happy life

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第7题
How did researchers know that ancient Greeks rushed to watch the Olympics?A.Thousands of p
How did researchers know that ancient Greeks rushed to watch the Olympics?

A.Thousands of people came to watch.

B.The main stadium is still not big enough.

C.They have found the related record of events.

D.Many of them were visitors and pilgrims.

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第8题
Speaker A: It's a beautiful day today! How about a little trip out into the country? Speak
Speaker A: It's a beautiful day today! How about a little trip out into the country?

Speaker B: ______

A.That sounds great. What should I do for the preparation?

B.I don't know. I really haven't thought about what should do.

C.Well, would you like me to pack picnic or to buy something?

D.It's all right. Thank you.

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第9题
Roger: Hi, Frank. Frank: Hi, Roger. The party is really nice, isn't it? Roger: ______. Lots of food and drinks!

A.It is real

B.It sure is

C.It is certain

D.It must be

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