The passage implies that which of the following steps would be the first performed by explorers who wish to maximize their chances of discovering gold？

A．have negative impact on Britain. B．cause divorces of political parties. C．provoke lots of heated discussion. D．intensify the contradiction of both partners.

A．one has no pleasure until he succeeds B．glue can help one focus on one's work C．success has nothing to do with special talent D．success is closely related to patience and steadiness

A．monopoly power creates an environment supportive of innovation B．governmental protection for military research will do much to protect our dwindling resources C．industrial giants, with their managerial bureaucracies, respond more quickly to technological change D．firms with a small share of the market will aggressively pursue innovations because they are not locked into old capital equipment

A．on their way to adulthood, some children just behave like foreigners B．only in single parent homes, a healthy and loving air is a very important factor in raising teens C．raising teenagers is a difficult task especially in a single parent family D．many parents divorced as a result of their children's pitting

A Good parents should spend sufficient time with their children. B Good parents should take their children to school. C Good parents should read stories to their children. D Good parents should be able to calm their children down.

A．often have conflicting ideas about looking up to their parents' minds B．can benefit a lot from their parents if the parents live beyond their adolescence C．never live in harmony with their parents D．should not look up to their parent's minds any more when they pass their adolescence

A．music did not exist before the Middle Ages B．we were not better off than the Greek and Roman men C．there was not enough evidence to prove that Western music was originated from the ancient Greece and Rome D．there were no authentic remains of the ancient Roman music 此题为多项选择题。

A．on a ceiling four inches away from a wall B．near an open window C．close to where a wall meets a ceiling D．in kitchens and garages

A．if the experiments' results can be applied to the practice, the customers will be very likely to buy things according to the ads B．if the Harvard group can succeed in finishing the research, they will use it in attracting more and more and more and more consumers into the market C．the financial supporting corporations such as Coca Cola, General Motors can employ the experiments in their own marketing D．the consumers may discover that those ads will always annoy them by jingling out of their heads and cause them headaches 此题为多项选择题。

A．jogging/running B．joining running clubs C．reading books and magazines about running D．going in for all kinds of sports 此题为多项选择题。

A．if the experiments' results can be applied to the practice, the customers will be very likely to buy things according to the ads B．if the Harvard group can succeed in finishing the research, they will use it in attracting more and more and more and more consumers into the market C．the financial supporting corporations such as Coca Cola, General Motors can employ the experiments in their own marketing D．the consumers may discover that those ads will always annoy them by jingling out of their heads and cause them headaches 此题为多项选择题。

A．the ultralight plane is mainly used for the amusement B．the ultralight plane can"t develop much C．the ultralight plane has no further use D．the ultralight plane is the same with other kinds of planes

A．a breakthrough is coming soon in University of Maryland B．modified fungus will soon be approved for use by the US government C．locusts in Africa, Australia and China will be killed by the same fungus D．an alternative to chemicals might be used to control malaria-carrying mosquitoes

A．most people do not get enough exercise B．a high pulse rate is desirable C．regular exercise can strengthen your heart D．everyone should exercise 15 minutes a day

A．Psychologists do not yet know how people see. B．The experiments in which all factors are controlled are better. C．The study of perception is going on now. D．Perception does not involve psychological factors.

A. fail to acknowledge and use an acceptable form. of communication. B. actually differ from other individuals in the same period. C. have little in common with the society of the time. D. refuse to admit parallels between themselves and tbe society.

A．Mr. Ecelestone can win at cards B．Mr. Ecelestone will achieve great success in the negotiation C．Mr. Ecelestone cheated all his partners D．Mr. Ecelestone will lose the whole contract with FIA

A．mothers have the practice to go to work B．working mothers have no time to stay with their children at home C．young wage-earners are economically independent D．mother's position in a family has been raised

A．is often quoted in the work of other scientists B．is careful not to make a value judgment about the use of data C．is applauded by all distinguished experimentalists D．generates a novel and well-founded generalization 此题为多项选择题。

A．all Africans are musical and therefore much music is performed in Africa B．not all Africans are born with musical talent although music is important in their lives C．most Africans are capable of joining in the music by playing musical instruments D．most Africans perform. as well as professional musicians

A．type of crime that was proven B．severity of the punishment C．reason for the sentence D．outcome of the trial

A) all Africans are musical and therefore much music is performed in Africa B) not all Africans are born with musical talent although music is important in their lives C) most Africans are capable of joining in the music by playing musical instruments D) most Africans perform. as well as professional musicians

A．not remember childhood events B．suffer a gradual worsening of cognitive functions C．incur personality and behavioral changes D．spend their last days in a long-term care institution

A．as a lord’s wife ， she must be polite and calm B．the maid has a busier day on weekends C．the factory man is quite satisfied with his present job D．people from different classes then couldn’t be married