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The object under the table is ______ 30 kilograms.A．so heavy toB．as heavy toC．as heavy asD

The object under the table is ______ 30 kilograms.

A．so heavy to

B．as heavy to

C．as heavy as

D．so heavy as

答案

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发布时间：2022-01-22

更多“The object under the table is ______ 30 kilograms.A．so heavy toB．as heavy toC．as heavy asD”相关的问题

第1题

Under this law, consumers have the right to ______ faulty goods and demand a refund.

A.resent

B.reject

C.object

D.replace

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第2题

Are you aware that you actually possess six senses？ The sixth is a muscular sense responsi

ble for directing your muscles intelligently to the extent necessary for each action you perform. For example, when you reach for an object, the sensory nerves linking the muscles to the brain stop your hand at the correct spot. This automatic perception of the position of your muscles in relation to the object is your muscular sense in action.

Muscles are stringly bundles of fibers varying from one five - thousand of an inch to about three inches. They have three unique characteristics, they can become shorter and thicker; they can stretch; and they can retract to their original positions. Under a high -powered microscope, muscle tissue is seen as long, slender cells with a grainy texture like wood.

More than half of a person' s body is composed of muscle fibers, most of which are involuntary, in other words, work without conscious direction. The voluntary muscles, those that we move consciously to perform. particular actions, number more than five hundred. Women have only 60 to 70 percent as much muscle as men for their body mass. That is why an average woman can' t lift as much, throw as far, or hit as hard as an average man.

According to the selection, the muscular sense is responsible for ______ .

A．the efficiency of our muscles

B．the normal breathing function

C．directing our muscles intelligently

D．the work of only our involuntary muscles

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第3题

Among the question of design, construction, and operation remaining to be solved before co

mmercial airliners travel faster than sound is the difficult problem of sonic boom (声震) , the explosive sound generated when an object moves through the air at supersonic speed(超音速).

A sound is a pressure disturbance: a sonic boom, like other explosive sounds, is the result of an abrupt change in pressure. An airplane in subsonic flight produces weak changed in pressure, but because these disturbances travel at the speed of sound, they move faster than the airplane and stay in front of it. In effect, these disturbances warn the air to get out of the way, and the an does just jet, however, gets ahead of its own pressure disturbances. Consequently a wave of suddenly com pressed air--a shock wave--builds up and is thrown off like the wave ;hat spreads from the bow of a speedboat.

Can sonic booms be eliminated？ The answer is a categorical negative--they are an innerent(内在的) part of supersonic flight--but the sonic boom probably can be reduced; government and private research is now under way to improve understanding of the sonic boom. If and when the booms can be reduced to tolerable levels, commercial supersonic transports can come rata service.

Before commercial airliners travel faster than sound, problems must 0e solved regarding ______.

A．design

B．Construction

C．operation

D．all of the above

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第4题

The most interesting architectural phenomenon of the 1970's was the enthusiasm for refurbi

shing old buildings. Obviously, this was not an entirely new phenomenon. What is new is the wholesale interest in reusing the past, in recycling, in adaptive rehabilitation. A few trial efforts, such as Ghirardelli Square in San Francisco, proved their financial viability in 1960s, but it was in the 1970's, with strong government support through tax incentives and rapid depreciation. As well as growing interest in ecology issues, that recycling became a major factor on the urban scene.

One of the most comprehensive ventures was the restoration and transformation of Boston's eighteenth century Faneuil Hall and the Quincy Market, designed in 1824. This section had fallen on hard times, but beginning with the construction of a new city hall immediately adjacent, it has returned to life with the intelligent reuse of these fine old buildings under the design leadership of Benjamin Thomson. He has provided a marvelous setting for dining, shopping, professional offices, and simply walking.

Butler Square, in Minneapolis, exemplifies major changes in its complex of offices, commercial space, and public amenities carved out of a massive pile designed in 1906 as a hardware warehouse. The exciting interior timber structure of the building was highlighted by cutting light courts through the interior and adding large skylights.

San Antonio, Texas, offers an object lesson for numerous other cities combating urban decay. Rather than bringing in the bulldozers, San Antonio's leaders rehabilitated existing structures, while simultaneously cleaning up the San Antonio River, which menders through the business district.

What is the main idea of the passage？

A．During the 1970's, old buildings in many cities were recycled for modern use.

B．Recent interest in ecology issues has led to the cleaning up of many rivers.

C．The San Antoino example shows that bulldozers are not the way to fight urban decay.

D．Strong government support has made adaptive rehabilitation a reality in Boston.

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第5题

The United Nations declared 2011 to 2012 the Year of the Bat. The campaign was launched

as a way to strengthen efforts for protecting the world's only flying mammal. These creatures can be found in many parts of the world. Bats live in cities, deserts, grasslands and forests.There are over 1,200 bat species.

The smallest bat in the world is from Southeast Asia.This kind of bat measures about 30 millimeters in length. The world's largest bat, the Giant Golden-Crowned Flying Fox, has a wingspan of 1.5 meters.Most bats eat insects,but many feed on fruit or nectar from flowers.

Many people think bats are blind,but this is not true.Many species have very good sight.Most bats communicate and find their way by making"echolocation" (回声定位法 ) noises.They produce high-frequency noises and can estimate the distance of an object by using the sound echoes that bounce back to them. So, while bats may travel in total darkness, they"see"using sound.

Sadly, bats are widely feared and misunderstood. Most bats come out of their shelters only at nightfall. Three bat species feed on blood. Because of these qualities, bats have long been linked in many cultures to death, darkness and blood-drinking.

Yet bats are important for agriculture and our environment. They help pollinate (授粉)plants and spread seeds. They also help control insects. Bats eat huge numbers of insects,including kinds that damage crops.

For example, a brown bat can eat more than 1,000 insects in one hour.Onereport says bats save American farmers billions of dollars every year by reducing crop damage and limiting the need for chemicals that kill insects.

Over one-fifth of all bat species are under threat. They face disease and the human destruction of their natural environments.In some areas, diseases have killed nearly 100% of bat populations.

第21题 The United Nations declared 2011 to 2012 the Year of the Bat,because bats_____.

A.are beneficial animals B.are close to extinction

C.have been misunderstood D.are under serious threat

第22题 Bats can fly in total darkness, because_____.

A.their eye sight is extremely sharp

B.they can fly without using their sight

C.they don't have eye sight in daytime

D.they are very familiar with their environment

第23题 Many people fear bats because_____.

A.many cultures connect bats with unpleasant things

B.bats are very ugly in appearance

C.bats are thought to be blind