[简答题]

Euthanasia can be either active or passive: (46) Active euthanasia means that a physician or other medical personnel take a deliberate action that will induce death, such as administering an overdose of morphine, insulin , or barbiturates, followed by an injection of curare. Passive euthanasia means letting a patient die for lack of treatment, or suspending treatment that has begun. Examples of passive euthanasia include taking patient off a respirator (a breathing apparatus) or removing other life -support systems. Stopping the food supply--usually intravenous feeding to comatose patients--has also been used.
A good deal of the controversy about mercy killing stems from the decision - making process. Who decides if a patient is to die This issue has not been established legally. (47) In the United States the matter is left to state law, which usually allows the physician in charge to suggest the option of death to a patient’ s relatives, especially if the

[填空题]I can’t sing. I can’t dance, either. I can ___________sing ___________dance.

[填空题]Because American cellphone users can choose either the prepaid service or pay as you go, cellphone subscribers have increased in number.

[判断题]RFID标签可分为被动标签(Passive tags)和主动标签(Active tags)两种。被动标签自身带有电池供电，读/写距离较远，同时体积较大，与主动标签相比成本更高，也称为有源标签。( )

[单项选择]The plant called the scarlet gilia can have either red or white flowers. It had long been thought that hummingbirds, which forage by day, pollinate its red flowers and that hawkmoths, which forage at night, pollinate its white flowers. To try to show that this pattern of pollination by colors exists, scientists recently covered some scarlet gilia flowers only at night and others only by day: plants with red flowers covered at night became pollinated; plants with white flowers covered by day became pollinated.
Which of the following, if tree, would be additional evidence to suggest that hummingbirds are attracted to the red flowers and hawkmoths to the white flowers of the scarlet gilia
A. Uncovered scarlet gilia flowers, whether red or white, became pollinated at approximately equal rates.
B. Some red flowers of the scarlet gilia that remained uncovered at all times never became pollinated.
C. White flowers of the scarlet gilia that were covered at night became pollinated with greater frequency than white flowers of the scarlet gilia that were left uncovered.
D. Scarlet gilia plants with red flowers covered by day and scarlet gilia plants with white flowers covered at night remained unpollinated.
E. (E) In late August, when most of the hummingbirds had migrated but hawkmoths were still plentiful, red scarlet gilia plants produced fruit more frequently than they had earlier in the season.

[简答题]
Passive-aggressive behavior is a personality trait that shows disagreement, anger, or resentment of someone by resistance to fulfilling that other’s legitimate expectations, but in non-obvious ways. This may occur in both social and work situations. Its most obvious manifestation is failure to perform tasks for which one is responsible, but there are other behaviors as well. These include learned helplessness-the demand for help performing simple tasks-stubbornness, procrastination, sullenness, and lack of initiative.
Question: Using the information from the lecture, explain how the professor’s personal experience of showing up late to his sister’s dinner party demonstrates passive-aggressive behavior as discussed in the reading passage.
Now hear a talk on the same subject.

[填空题]For these blanks, you can either use the exact words you have just heard or write down the main points in your own words. Finally, when the passage is read for the third time, you should check what you have written.
Why do so many people live to a healthy old age in certain parts of the world What is the (36) of their long lives Three things seem to (37) to it: fresh air, flesh food and a simple way of life. People work near their homes in the clean, mountain air instead of travelling long (38) to work by bus, car or train. They do not sit all day in (39) offices or factories, but work hard outdoors in the fields. They take more exercise and eat less food than people in the cities of the West. For years, the Hunaz of the Himalayas did not need policemen, lawyers or doctors. There was no crime, no (40) and not much illness in their society. They were a happy, peaceful people, famous all over India for their long, healthy l