题目内容
（请给出正确答案）
[主观题]
The survival of civilization as we know it is ____
_ threat.
(A) within (C) towards
(B) under (D) upon
查看答案
如果结果不匹配，请 联系老师 获取答案
题目内容
（请给出正确答案）
如果结果不匹配，请 联系老师 获取答案
题目内容
（请给出正确答案）
_ threat.
(A) within (C) towards
(B) under (D) upon
如果结果不匹配，请 联系老师 获取答案
更多“The survival of civilization a…”相关的问题
A．Nature is quite fair regarding the survival of turtles.
B．Turtles are by nature indifferent to human activities.
C．The course of nature will not be changed by human interference.
D．The turtle population has decreased in spite of human protection.
, but numerous other dependents as well---grandparents, uncles, aunts and cousions. Such "extended" families were suited for survival in slow paced __1__ societies. But such families are hard to __2__. They are immobile.Industrialism demanded masses of workers ready and able to move off the land in pursuit of jobs, and to move again whenever necessary. Thus the extended family __3__ shed its excess weight and the so-called "nuclear" family emerged-a stripped-down, portable family unit __4__ only of parents and a small set of children. This new style. family, far more __5__ than the traditional extended family, became the standard model in all the industrial counties. Super-industrialism, however, the next stage of eco-technological development, __6__ even higher mobility. Thus we may expect many among the people of the future to carry the streamlinling process, a stePfurther by remaining children, cutting the family down to its more __7__ components, aman and a woman. Two people, perhaps with matched careers, will prove more efficient at navigating through education and social status, through job changes and geographic relocations, than teh ordinarily child-cluttered family.A __8__ may be the postponement of children, rather than childlessness. Men and women today are often torn in __9__ between a commitment to career and a commitment to children. In the future, many __10__ will sidestePthis problem by deferring the entire task of raising children until after retirement.
A)transplant
B)solution
C)gadually
D)transport
E)elemental
F)conflict
G)continually
H)mobile
I)couples
J)agricultural
k)including
L)compromise
M)requires
N)primary
O)consisting
1、In prehistoric times people____.
A、ate much more than we do today
B、lived mainly on plant food
C、had a wide-ranging diet
D、were more fussy about what they ate
2、Most of us have come to expect____.
A、no variation in our diet
B、a reduction in food supplies
C、a specialist diet
D、food conforming to a set standard
3、The specialization of food was started by____.
A、the emergence of supermarkets
B、the rise of agriculture
C、the rich countries
D、the modern shops
4、According to the passage, people in the West today survive on____.
A、carrots and tomatoes
B、several thousand types of plants and cereals
C、a very small number of cultivated foods
D、special species planted one thousand years ago
5、The conclusion seems to be that we____.
A、could make use of more natural species
B、don't cultivate the right kind of food
C、produce more food than we need
D、cultivate too many different species
Most investigators concur that certain facial expressions suggest the same emotions in a people. Moreover, people in diverse cultures recognize the emotions manifested by the facial expressions. In classic research Paul Ekman took photographs of people exhibiting the emotions of anger, disgust, fear, happiness, and sadness. He then asked people around the world to indicate what emotions were being depicted in them. Those queried ranged from European college students to members of the Fore, a tribe that dwells in the New Guinea highlands. All groups including the Fore, who had almost no contact with Western culture, agreed on the portrayed emotions. The Fore also displayed familiar facial expressions when asked how they would respond if they were the characters in stories that called for basic emotional responses. Ekman and his colleagues more recently obtained similar results in a study of ten cultures in which participants were permitted to report that multiple emotions were shown by facial expressions. The participants generally agreed on which two emotions were being shown and which emotion was more intense.
Psychological researchers generally recognize that facial expressions reflect emotional states. In fact, various emotional states give rise to certain patterns of electrical activity in the facial muscles and in the brain. The facial-feedback hypothesis argues, however, that the causal relationship between emotions and facial expressions can also work in the opposite direction. According to this hypothesis, signals from the facial muscles ("feedback") are sent back to emotion centers of the brain, and so a person's facial expression can influence that person's emotional state. Consider Darwin's words: "The free expression by outward signs of an emotion intensifies it. On the other hand, the repression, as far as possible, of all outward signs softens our emotions.' Can smiling give rise to feelings of good will, for example, and frowning to anger？
Psychological research has given rise to some interesting findings concerning the facial- feedback hypothesis. Causing participants in experiments to smile, for example, leads them to report more positive feelings and to rate cartoons (humorous drawings of people or situations) as being more humorous. When they are caused to frown, they rate cartoons as being more aggressive.
What are the possible links between facial expressions and emotion？ One link is arousal, which is the level of activity or preparedness for activity in an organism. Intense contraction of facial muscles, such as those used in signifying fear, heightens arousal. Self-perception of heightened arousal then leads to heightened emotional activity. Other links may involve changes in brain temperature and the release of neurotransmitters (substances that transmit nerve impulses). The contraction of facial muscles both influences the internal emotional state and reflects it. Ekman has found that the so-called Duchenne smile, which is characterized by "crow's feet" wrinkles around the eyes and a subtle drop in the eye cover fold so that the skin above the eye moves down slightly toward the eyeball, can lead to pleasant feelings.
Ekman's observation may be relevant to the British expression "keep a stiff upper lip" as
A．curious
B．unhappy
C．thoughtful
D．uncertain
