单选题Today cognitive theorists empirically study the impact of feelings on cognitive processes such as memory and judgment and also the reciprocal influence of cognition on emotion. However, evolutionary theorists view emotion as a powerful source of motivation-an internal communication that something must be done. For example, when people are threatened, they feel fear, which in turn leads them to deal with the threatening situation through either fight or flight. Emotions and drives may also operate in tandem to motivate action, as when excitement accompanies sexual arousal. From an evolutionary perspective, different emotions serve different functions. Fear facilitates flight in the face of danger; disgust prevents ingestion of potentially toxic substances such as rotting meat. An emotion that is less well understood is jealousy. Why do people become jealous in intimate sexual relationships? One series of studies tested evolutionary hypotheses about differences in the concerns men and women have about their partners' fidelity. Since females can have only a limited number of children during their lifetimes, to maximize their reproductive success they should be motivated to form relationships with males who have resources and will contribute them to their offspring. Indeed, cross-cultural evidence demonstrates that one of the main mate selection criteria used by females around the world is mate resources. From a female's point of view, then, infidelity accompanied by emotional commitment to the other woman is a major threat to resources. A man unlikely to divert re- sources from his mate and her offspring to a casual fling, but the risk increases dramatically if he becomes emotionally involved and perhaps considers switching long-term partners. Hence, a woman's jealousy would be expected to focus on her mate's emotional commitment to another female. For males, the situation is different. If a male commits himself to an exclusive relationship with a female, he must be certain that the offspring in whom he is investing are his own. Since he cannot be sure of paternity, the best he can do is to prevent his mate from copulating with any other males. In males, then, jealousy would be expected to focus less on the female's emotional commitment or resources and more on her tendency to give other males sexual access. Indeed, in species ranging from insects to humans, males take extreme measures to prevent other males from inseminating their mates. In humans, male sexual jealousy is the leading cause of homicides and of spouse battering cross-culturally.

单选题For the people who have never traveled across the Atlantic the voyage is a fantasy. But for the people who cross it frequently one crossing of the Atlantic is very much like another, and they do not make the voyage for the (1) of its interest. Most of us are quite happy when we feel (2) to go to bed and pleased when the journey (3) On the first night this time I felt especially lazy and went to bed (4) earlier than usual. When I (5) my cabin, I was surprised (6) that I was to have a companion during my trip, which made me feel a little unhappy. I had expected (7) but there was a suitcase (8) mine in the opposite corner. I wondered who he could be and what he would be like. Soon afterwards he came in. He was the sort of man you might meet (9) ，except that he was wearing (10) good clothes that I made up my mind that we would not (11) whoever he was and did not say (12) .As I had expected, he did not talk to me either but went to bed immediately. I suppose I slept for several hours because when I woke up it was already the middle of the night. I felt cold but covered (13) as well as I could and tries to go back to sleep. Then I realized that a (14) was coming from the window opposite. I thought perhaps I had forgotten (15) the door, so I got up (16) the door but found it already locked from the inside. The cold air was coming from the window opposite. I crossed the room and (17) the moon shone through it on to the other bed. (18) there. It took me a minute or two to (19) the door myself. I realized that my companion (20) through the window into the sea.

单选题-- What are you going to do this afternoon? -- I'll probably go for a walk later on______it stays fine.

单选题A recent poll indicated that half the teenagers in the United States believe that communication between them and their parents is (1) and further that one of the prime causes of this gap is (2) listening behavior. As a(an) (3) in point, one parent believed that her daughter had a severe (4) problem. She was so (5) that she took her to an audiologist to have her ear tested. The audiologist carefully tested both ears and reported back to the parent:"There's nothing wrong with her hearing. She's just (6) you out. " A leading cause of the (7) divorce rate (more than half of all marriages end in divorce) is the failure of husbands and wives to (8) effectively. They don't listen to each other. Neither person (9) to the actual message sent by the other. In (10) fashion, political scientists report that a growing number of people believe that their elected and (11) officials are out of (12) with the constituents they are supposedly (13) Why? Because they don't believe that they listen to them. In fact, it seems that sometimes our politicians don't even listen to themselves. The following is a true story: At a national (14) conference held in Albuquerque some years ago, then Senator Joseph Montoya was (15) a copy of a press release by a press aide shortly before he got up before the audience to (16) a speech. When he rose to speak, (17) the horror of the press aide and the (18) of his audience, Montoya began reading the press release, not his speech. He began, "For immediate release. Senator Joseph M. Montoya, Democrat of New Mexico, last night told the National... " Montoya read the entire six page release, (19) with the statement that he "was repeatedly (20) by applause. /

单选题What was E.B. White?

单选题A farmer with 1,350 acres of land had planted his fields with corn, sugar cane, and tobacco in the ratio of 5:3:1, respectively, but he wanted to make more money, so he shifted the ratio to 2:4:3, respectively. How many more acres of land were planted with tobacco under the new system? A. 90 B. 150 C. 270 D. 300 E. 450

单选题Evidence from. the economists and the building industries shows that______

单选题[此试题无题干]

单选题A credit card can be useful. You can take it into a store and buy a television set or new furniture or clothing or anything you want. All you have to do is to sign your name and take what you want out of the store without paying cash. But there is a problem with the cards—they can be financial poison. These cards are just like the poison we use on insects. If we use them carefully, they can be helpful; but if we use them too much, they can kill us financially just as real poison can kill our body. For any money that the user does not pay each month, the credit card company charges a percentage of that amount in interest. The interest is added every month, so a bill that is not paid gets bigger and bigger. Over 10 percent of the families in the United States are "overextended". That is, they have more debts on their credit cards than they can pay. Credit cards can be used for almost anything that money can buy. And they can even be used to pay for funerals. For some credit card users, a funeral may be the only solution to the debt problems they have caused for themselves by using credit cards.

单选题In the building of the rail lines, ______.

单选题We should make a clear ______ between the two scientific terms for the purpose of our discussion. A. distinction B. discrimination C. deviation D. separation

单选题Which of the following conclusions would the author be most likely to agree wit about discrimination against women by private employers and by government employers?

单选题By the end of this month, all this ______.

单选题From the newspaper, we can learn ______is going on in the world.

单选题Our culture has caused most Americans to assume not only that our language is universal but that the gestures we use are understood by everyone. We do not realize that waving good-bye is the way to summon a person from the Philippines to one's side, or that in Italy and some Latin-American countries, curling the finger to oneself is a sign of farewell. Those private citizens who sent packages to our troops occupying Germany after World war Ⅱ and marked them GIFT to escape duty payments did not bother to find out that "Gift" means poison in German. Moreover, we like to think of ourselves as friendly, yet we prefer to be at least 3 feet or an arm's length away from others. Latins and Middle Easterners like to come closer and touch, which makes Americans uncomfortable. Our linguistic and cultural blindness and the casualness with which we take notice of the developed tastes, gestures, customs and languages of other countries, are losing us friends, business and respect in the world. Even here in the United States, we make few concessions to the needs of foreign visitors. There are no information signs in four languages on our public buildings or monuments; we do not have multilingual guided tours. Very few restaurant menus have translations, and multilingual waiters, bank clerks and policemen are rare. Our transportation systems have maps in English only and often we ourselves have difficulty understanding them. When we go abroad, we tend to cluster in hotels and restaurants where English is spoken. The attitudes and information we pick up are conditioned by those natives—usually the richer—who speak English. Our business dealings, as well as the nation's diplomacy, are conducted through interpreters. For many years, America and Americans could get by with cultural blindness and linguistic ignorance. After all, America was the most powerful country of the free world, the distributor of needed funds and goods. But all that is past. American dollars no longer buy all good things, and we are slowly beginning to realize that our proper role in the world is changing. A 1979 Harris poll reported that 55 percent of Americans want this country to play a more significant role in world affairs; we want to have a hand in the important decisions of the next century, even though it may not always be the upper hand.

单选题It is often a mistake to ______ appearance: that poor-looking individual is anything but poor. In fact, there is the President of a large multinational corporation with a fortune of 10 billion dollars.

单选题Not only Jack but also I ______ to attend the meeting. A. am B. are C. is D. has