Many ways have been found______small and simple machine to process large and complicated machine parts.
A．by using
B．to use
C．using
D．used

未分类题The yearly procession to the temple in honor of the local god was an important religious ______in that district.A．customB．feastC．habitD．activity

未分类题His parents, very poor but______people who never broke the law, were shocked when he was arrested for robbing a bank.A．seriousB．obedientC．respectableD．responsible

未分类题Knowledge is a comfortable and necessary retreat and______for us in an advanced age; and if we do not plant it while young, it will give us no shade when we grow old.A．ingredientB．relianceC．shelterD．inclination

未分类题The workers have______ a limit to how long they are prepared to talk to the management.A．putB．setC．placeD．imposed

未分类题The bookshop said they did not have the novel just then, but that it was on______.A．arrivalB．purposeC．orderD．delivery

未分类题There were few people in the hall when we arrived, but by the time the meeting began, it was absolutely______.A．filledB．packedC．spiltD．overloaded

未分类题Scientists use observation and experimentation to examine a specific concept ______ existing theories and principles.A．in the light ofB．in view ofC．as toD．in the interest of

未分类题Nearly all physicians participate in continuing medical education to______with the massive amount of information being discovered each year about human health.A．catch onB．link upC．get onD．hold on

未分类题Little Kevin gets on well with his grandfather in spite of the age______between them.A．spaceB．divisionC．separationD．gap

未分类题Among other things the Town Council is responsible for parks, fire services, ______ collection and libraries.A．refuseB．plagueC．robberyD．insect

未分类题Immediately the radio message was received, three ships changed their______and made their way towards the sinking vessel.A．crossingB．courseC．journeyD．passage

未分类题On leaving school he became an office-boy and having no______to rise higher, he only wasted his time.A．ambitionB．determinationC．successD．purpose

未分类题There are far too many road accidents in this country: too many deaths and too many people【C1】______. One wonders who are most to blame: drivers or pedestrians? Some people say that the blame cannot be【C2】______fairly without considering the roads and the whole transport system. In crowded cities like London, Birmingham or Manchester, road conditions are so chaotic【C3】______both drivers and pedestrians often endanger lives through no fault of their own. Such deficiency【C4】______too many road signs, faulty lights, sudden narrowing of a street, congested parking are all a sure【C5】______of bad road conditions. On the other hand, many experts are【C6】______that the larger part of the blame for the death toll must be put on persons and persons alone: drivers who drive【C7】______fast and without any consideration for others, drivers who think they are safe at the wheel even though they have drunk too much alcohol. Pedestrians,【C8】______must share the guilt: stepping off the pavement without first looking to the left or right, crossing roads when the traffic lights are【C9】______them, jumping off a moving bus. To be【C10】______, pedestrians, drivers and road conditions are all to blame.【C1】A．hurtB．injuredC．woundedD．damaged

未分类题'Time', says the proverb, 'is money'. This means that every moment well-spent may bring out some money into our pockets. If our time is usefully【C1】______, it will either turn out some useful and important piece of work which will fetch its price in the market, or it will add to our experience and increase our capacities so as to enable us to earn money【C2】______the proper opportunity comes. There can thus be no doubt that time is convertible into money. 【C3】______, our life is nothing more than our time. To kill time is therefore a form. of suicide. We are shocked when we think of【C4】______, and we spare no pains, no trouble and no expense to preserve life. But we are too often【C5】______to the loss of an hour or of a day, forgetting that our life is the sum total of the days and of the hours we live. There is a third【C6】______which will also tend to warn us against loss of time. Our life is a brief【C7】______measuring some sixty or seventy years in all, but nearly one half of this has to be spent in sleep, some years have to be spent in making journeys on land and voyages by sea, some in merry making; some in【C8】______religious and social festivities. Now if all these years were to be deducted from the term over which our life extends we shall find about fifteen or twenty years at our【C9】______for active work. Whoever remembers this can never【C10】______waste a single moment of his life.【C1】A．adoptedB．utilizedC．appliedD．employed

未分类题It is the firm belief of astronomers that there are living creatures on other planets. It is also their earnest wish that some day contact may be made【C1】______such living creatures by sending messages with the help of radio signals. The【C2】______of communicating with people on other planets may one day come true since radio telescopes have now been invented. Scientific projects of various kinds are now being launched to【C3】______signals or to receive signals from distant planets. The question now【C4】______. What sort of message should be sent so that it could be understood. To send a message in any language would be impractical as it would【C5】______not be intelligible.【C6】______is the opinion of scientists that a signal in the form. of a simple arithmetic sequence might be understood. Scientists think that pictures might also be understood, so it would be a good idea to send pictures of the people【C7】______our planet. Pictures of domestic animals together with various crops we【C8】______for our food might also be sent. Pictures of houses and buildings might【C9】______further information about our life and society. As time goes on, TV pictures might be sent which would make the beings on other planets aware【C10】______the life and the level of civilization on our planet.【C1】A．withB．uponC．byD．to