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Even the newest gardener realizes that plants die without water; what is not so well known

is that plants die equally decisively, though not so quickly, if they are overwatered. Beginners usually decide to play it safe and keep their potted plants thoroughly wet. In consequence, death by drowning is one of the commonest disasters to befall the plants of a new horticulturist. Plants wither away if they don't get enough water, and this draws attention to their problem. A plant that has been slightly underwatered so that it droops strikes terror into the heart of its new owner. But it will, in fact, recover completely as long as rescue comes in time and the process is not repeated too often. Overwatered plants, unfortunately, do not give any such obvious signal; slowly they cease to thrive and the first visible indication of serious trouble is a yellowing of the lower leaves. Unless the overwatered pot soil is given a considerable period without water, during which time the plant will continue to look wretched, it will suddenly collapse in exactly the same way as the underwatered plant but with no chance of being revived(复活)because the roots have rotted away.

From the text we can infer a horticulturist is person engaged in ______.

A.growing plants

B.raising birds

C.cutting plants

D.studying the death cause of plants

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更多“Even the newest gardener reali…”相关的问题
第1题
新版WEST GARD流程图包含哪些规则()

A.1-2S

B.1-3S/2-2S

C.R4S/4-1S

D.10X

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第2题
School buildings themselves can show liberal (开明...

School buildings themselves can show liberal (开明的) or conservative views about what should go on in a classroom. The earliest schools had separate classrooms for different grades. The rooms were laid out formally, with pupils’desks fastened to the floor in straight rows facing the teacher’s desk. Clearly, such schools reflected a teacher-and-subject-centered view of education. Schools of the next generation had more open space, and most had movable desks. They also often provided special rooms or areas for science, art, music, and physical education. There were still separate rooms for different grade levels, however, and the desks still were likely to be formally arranged. That is, the schoolroom was still largely designed to carry out the old-school program, which involved grade levels, uniform. time blocks, and study of subject matters. Newer subjects, not newer teaching methods, accounted for most of what was new in school design. The first school buildings constructed to encourage liberal teaching methods appeared in the mid-1950s. Folding interior (内部的) walls permitted the flexible use of space to encourage large-group, small-group, or individual instruction. Some provided carrels for individual study, areas for team teaching, and centers for programmed instruction. In the newest buildings called open schools, the use of space is even more flexible. Areas within the buildings can be readily expanded for program changes, and used for many kinds of functions. One should remember, though, the physical layout (布局) of a school cannot decide whether it has the conservative or liberal teaching practices. What determines whether the classroom is liberal or conservative is the spirit and attitude of the teacher. The word “carrel” in Paragraph 3 most probably refers to ________.

A、a room with folding walls

B、a room with liberal instructions

C、a room with conservative instructions

D、a room with small space

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第3题
German chemicals giant BASF saves ?200 million a year by ______.A.recycling heat and energ

German chemicals giant BASF saves ?200 million a year by ______.

A.recycling heat and energy

B.setting up factories in China

C.using the newest technology

D.reducing the CO2 emissions of its plants

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第4题
The European Union revealed on January 23rd how it plans to save the world. A mammoth clim
ate-change plan spells out in detail how much pain each of its 27 members will have to beat if the EU is to meet ambitious targets set by national leaders last March. The aim is to cut greenhouse-gas emissions by 2020 by at least a fifth, and more than double to 20% the amount of energy produced from renewable sources such as wind or wave power. If fuel from plants proves green enough, 10% of the fuel used in transport must come from biofuels by the same date. The new plan turns these goals into national targets. This will surely start much grumbling and months of horse-trading, as the European Commissions recommendations are turned into binding law by national governments and the European Parliament. Countries with greenery in their veins are being asked to take more of the burden uian newer members. Sweden, for example, is being invited to meet 49% of its energy from renewables. At the other end, Malta gets a renewables target of just 10%. It is a similar story when it comes to cutting greenhouse gases; by 2020, Denmark must cut emissions by 20% from 2005 levels; Bulgaria and Romania, the newest members, may let their emissions rise by 20%. EU leadership on climate change will not come cheap. The direct costs alone may be 60 billion ($ 87 billion) , or about 0.5% of total EU GDP, by 2020, said the commissions president, Jose Manuel Barroso. But this is still presented as a bargain compared with the cost of inaction , which Mr. Barroso put at ten times as high. "Oh, leading the world in the fight against climate change need not cost jobs. Even in the most heavily polluting branches of heavy industry. We want to keep out industry in Europe," insisted Mr. Barroso. The trick to achieve the seemingly impossible targets is the EU s emissions-trading scheme (ETS). This obliges big polluters such as power companies or manufacturing giants to trade permits that allow them to emit CO2 and other climate-change nasties, within a steadily tightening overall cap. If countries such as the US do not sign binding international agreements by 2001, then the heaviest greenhouse-gas emitters inside the EU may be given these allowances free, the commission suggests. Or, it threatens, firms to buy ETS permits.

To its member nations, the EU s plan means_____.

A.a fierce competition

B.an ideal goal

C.a good opportunity

D.a difficult task

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第5题
"High tech" and "state of the art" are two expressions that describe the modem technology.
High tech is just a shorter way of saying high technology. And high technology describes any invention, system of device that uses the newest ideas or discoveries of science and engineering. What is high tech? A computer is high tech. So is a communications satellite. (79) A modem manufacturing (生产) system is surely high tech. High tech became a popular expression in the United States during the early 1980' s. Because of improvements in technology, people could buy many new kinds of products in American stores, such as home computers, microwave ovens, etc.

"State of the art" is something that is as modem as possible. It is a product that is based on the very latest methods and technology. Something that is "state of the art" is the newest possible design or product of a business or industry. A state of the art television set, for example, uses the modernest electronic design and parts. It is the best that one can buy.

"State of the art" is not a new expression. Engineers have used it for years, to describe the best and most modem way of doing something. Millions of Americans began to use the expression in the late 1970 ' s. The reason was the computer revolution. Every computer company claimed that its computers were "state of the art".

Computer technology changed so fast that a state of the art computer today might be old tomorrow. (80) The expression "state of the art" became as common and popular as computers themselves. Now all kinds of products are said to be "state of the art".

What is the purpose of the passage?

A.To tell how "high tech" and "state of the art" have developed.

B.To give examples of "high tech".

C.To tell what "high tech" and "state of the art" are.

D.To describe very modem technology.

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第6题
听力原文: For many years, T-shirts were short sleeved undershirts only for men and boys. T
-shirts used to be of one color—white. And since they were worn under shirts, they were generally not seen.

Today things have changed a lot. T-shirts has become colorful and fashionable. It can be seen almost everywhere and on everyone. Women and children wear T-shirts as well as teenagers, university students and men from all walks of life. T-shirts are worn on the playground, on the beach or in town. They can also be worn for work. Because the T-shirts are relatively inexpensive, smart, comfortable and convenient to wear, they have become one of the newest ideas in fashion over the world.

Although T-shirts are now available in a wide variety of bright materials and styles, the most popular kind is the traditional cotton T-shirts with a slogan or a picture printed on the front. A T-shirt may bear a single word, a popular phrase, pictures of sportsmen, or an advertisement. As T-shirts are becoming more and more popular, new designs are coming up all the time.

When do people usually wear T-shirts?

A.When they take part in sports.

B.When they watch a film.

C.When they go shopping.

D.When they read a book.

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第7题
Women are, on the whole, more verbal than men. They are good at language and verbal reason
ing, while men tend to be skilled at tasks demanding visual—spatial(视空)abilities. In fact, along with aggression, these are the most commonly accepted difference between these sexes.

Words are tools for communicating with other people, especially information about people. They are mainly social tools. Visual and spatial abilities are good for imagining and manipulating objects and for communicating information about them. Are these talents programmed into the brain? In some of the newest and most controversial research in neurophysiology(神经生理学), it has been suggested that when it comes to the brain, males are specialists while women are generalists.

But one knows that, if anything, this means in terms of the abilities of the two sexes. Engineering is both Visual and spatial, and it's true that there are relatively few women engineers. But women become just as skilled as men at shooting a rifle or driving a car, task that involve visual-spatial skills. They also do equally well at programming a computer, which is neither visual nor spatial. Women do, however, seem less likely to fall in love with the objects themselves. We all know men for whom machines seem to be extensions of their identity. A woman is more likely to see her car, rifle, or computer as a useful tool but not in itself fascinating.

According to the massage, women are usually good at______.

A.body language

B.logical reasoning

C.tasks demanding for the use of words

D.both A and B

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第8题
A.stillB.evenC.andD.too

A.still

B.even

C.and

D.too

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第9题
These excursions will give you an even deeper ______ into our language and culture.A.inqui

These excursions will give you an even deeper ______ into our language and culture.

A.inquiry

B.investigation

C.input

D.insight

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第10题
He is determined to prove his innocence, __________he has to go to the highest co
urt of the country.

A. even so

B. even now

C. even as

D. even if

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