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[单选题]
Only after 1840____mean a natural philosopher.
A.a scientist come to
B.was a scientist come to
C.a scientist did come to
D.did a scientist come to
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题目内容
（请给出正确答案）
如果结果不匹配，请 联系老师 获取答案
题目内容
（请给出正确答案）
A.a scientist come to
B.was a scientist come to
C.a scientist did come to
D.did a scientist come to
如果结果不匹配，请 联系老师 获取答案
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A.an early marker of the mesoderm
B.an early marker of the endoderm
C.expressed throughout the ectoderm
D.only expressed after gastrulation
A.took on
B.took up
C.took off
D.took out
A.ran into
B.went up
C.looked after
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Which of the following is/are adjustment(s) to the basis of property after the initial basis is determined？()I. Add the costs of protecting ownership of the property.II. Add the expenditures for painting the company name on the property.III. Subtract the capital recovery resulting from collections for easements.IV. Subtract the capital recovery resulting from depreciation deductions.
A、Only statement IV is correct
B、Only statements I and III are correct
C、Only statements III and IV are correct
D、Only Statements II, and IV are correct
E、Statements I, II, III, and IV are correct
170 Assume that you have a network where an activity on the critical path can be crashed by two weeks. If the activity is actually crashed by two weeks, then:
A. The project's schedule will be reduced by 2 weeks.
B. The available slack on the noncritical paths will increase.
C. A new critical path may appear after the crash.
D. All of the above.
E. A and B only
168 The salvage value of an asset is:
A. The value of the scrap metal if a new asset were taken to a scrap yard.
B. The value that an asset has on the books after one year of depreciation.
C. The costs that have been sunk into the project to date.
D. The expected cash value at the end of an assets useful life.
E. A and D only
Directions: Fill in the blanks with the words and expressions froma list of choices given in a word bank following the passage. Each choiceshould be used only once. Maria is a failure as a n 1 . The Reverend Mother sends her off in answer t 2 a letter from a retired naval captain for a g 3 for his seven children. There is aloofness in Captain Von Trapp; however, it is just a disguise for the sadness caused by his wife’s death. Maria teaches the children to sing and brings vitality b 4 to the large house. The Captain loves singing and thanks Maria for what she has done for his family. He calls o 5 his engagement with the beautiful Baroness for he realizes that he has f 6 in love with Maria, and so has Maria. They get married and go on their h 7 . When they come back, the Nazis attempt to draft Captain Von Trapp i 8 the Naval Forces of The Third Reich. After their sensational p 9 at the music festival and with some help from the abbey, the Von Trapps escape o 10 the Alps into Switzerland.
Take a second long piece of paper. Twist the paper once and glue the ends together. Now you have made a Mobius band(带子). For people studying maths, this band is uncommon.
This strange band was first made in the 1800s by a German man namedAugust. Mobius. Mr. Mobius studied maths. He wanted to find a way to show how this band works with maths. Understand it or not, this band has only one surface. You can find this out for yourself.
If you draw a line on the surface of the paper before you twist and glue it, the line is only on one side of the paper. The paper has two surfaces. However, if you draw a line after you make the Mobius band, you can follow the line around all sides of the paper. In other words, the Mobius band must have only one surface.
It is also very interesting to see what happens when you cut the band. If you cut the Mobius band in half once down the line you drew, you do not get two Mobius bands. Instead, after you cut the band, it turns into one large twisted ring. Then, if you cut this ring in half along the middle of the band again, you get two connected(相连的)Mobius bands.
1、What is a Mobius band？()
A、A long piece of paper
B、A paper ring for people to wear
C、A metal ring for music
D、An interesting twisted ring
2、Why didAugust Mobius make this ring？()
A、To help study a maths problem
B、To show it's the same as others
C、To show the only surface of any band
D、To find out how many sides it has
3、How can you change the two surfaces of a long piece of paper into one surface？()
A、Glue the ends of the long piece of paper
B、Cut the two surfaces of the paper into one
C、Draw a line in the middle of the paper
D、Twist the paper once and glue the two ends
4、What do you get if you cut the Mobius band along the middle？()
A、A long piece of paper
B、Two long pieces of paper
C、Two Mobius bands
D、One large twisted ring
5、Which of the following is NOT true？()
A、You can use any long piece of paper to make a Mobius band
B、Any long piece of paper has two surfaces
C、The Mobius band was first made about two hundred years ago
D、You have to draw a line in the middle of the long piece of paper before making a Mobius band
Ironically，it is often success that leads people to flirt with failure.Praise won for _ 28_a skillsuddenly puts one in the position of having everything to lose.Rather than putting their reputation on theline again，many successful people develop a handicap—drinking，_ 29_，depression—that allowsthem to keep their status no matter what the future brings. An advertising executive 30_ fordepression shortly after winning an award put it this way:“Without my depression，I'd be a failure now;with it，I'm a success 'on hold.’”
In fact，the people most likely to become chronic excuse makers are those 31 _ with success.Such people are so afraid of being 32a failure at anything that they constantly develop onehandicap or another in order to explain away failure.
Though self-handicapping can be an effective way of coping with performance anxiety now and then,in the end，researchers say，it will lead to_ 33_. In the long run，excuse makers fail to live up to theirtrue_ 34_and lose the status they care so much about. And despite their protests to the _35they have only themsclves to blame.
A) contrary F) labeled K) potential
B) fatigue G) legacies L) rcalms
C) heavily H) mastering M) reciprocal
D) heaving l) momentum N) ruin
E) hospitalized J) obsessed o) viciously
In the evening she would go to a fancy dress party with her husband.She wanted to dress up as a ghost (鬼,鬼魂) and as she had made her costume (化妆舞会上的化装服) the night before，she was impatient to try it on.Though the costume consisted only of a sheet，it was really splendid.After putting it on，she went downstairs to find out whether it would be comfortable to wear. ，
Just as Mrs. Richards was entering the dining-room, there was a knock on the front door.She knew it must be the baker (面包师).She had told him to come straight in if ever she failed to open the door and to leave the bread on the table.Not wanting to frighten the poor man，she quickly hid in the small store-room under the stair.She heard the front door opened and heavy footsteps in the hall.Suddenly the door of the store-room was opened and in came a man.Mrs. Richards realized it must be the man from the Electricity Board who had come to read the meter (水表读数).She tried to explain the situation，saying “It’s only me.” But it was too late，the man let out a cry and jumped back several paces.When Mrs. Richards walked towards him，he fled, closing the door heavily behind him.
(1).The reason for Mrs. Richards’ excitement that day was that().
A、 she had sent her children to school
B、 she was to attend an evening party
C、 she wouldn’t do any housework that morning
D、 she had made a special costume the night before
(2). Mrs. Richards went downstairs with the costume on so as to().
A、 make sure that the costume fitted her well
B、 frighten the person who was knocking on the door
C、 find out if she had finished the costume
D、 receive the bread and do some cooking
(3).The man who was knocking at the door was ().
A、a baker
B、a thief
C、her husba
D、an electricity man
(4).What did the man do after he knocked on the front door？()
A、He entered just as Mrs. Richards had told him to.
B、He did not do anything as Mrs. Richards had expected him to.
C、He stepped directly towards the store-room.
D、He went straight in so as to find Mrs. Richards
(5).The man _________and that made him cry out and run away.()
A、 thought he must have met a ghost
B、 recognized Mrs. Richards
C、 found out Mrs. Richards was walking towards him
D、 thought that Mrs. Richards must have recognized him
BENEFITS OF VIDEO CONFERENCING
Almost everyone is familiar with video conferencing today, and for good reasons.Video conferencing is convenient. Video conferencing saves money. Video conferencing makes money. And it is so much easier than it used to be.
Today, of course, video conferencing has become an important means for doing business.There is no longer a need to waste time and money traveling, and the advanced technology can offer what every conferencing needs.Audio, web and video together can provide good solutions for large conferences with Q&A session sand private chats.
Why is video conferencing so successful when other technologies have come and gone？ It is because it’s convenient and cost-effective. In addition to saving time and money, video conferencing is a lot less stressful than a meeting after a day of airport security, delayed flights and hotel check-in, etc.
Best of all, video conferencing is not expensive nowadays. Web, video and audio conferencing service providers can quickly get you up and running, often without setup fees or high charges. With all that’s available today, the only question is whether a business can afford not to use user-friendly video conferencing.
1、It's easy to use video conferencing in the past.()
2、Video conferencing is the best way for doing business.()
3、The success of video conferencing mainly lies in the development of technology.()
4、Compared to some other forms of meetings. video conferencing is much less stressful.()
5、Nowadays if you don't use video conferencing in some cases maybe your business will sufer losses to some degree.()
