Without regular supplies of some
hormones our capacity to behave would be seriously impaired; without others we
would soon die. Tiny amounts of some hormones can modify our moods and our
action, our inclination to eat or drink, our aggressiveness or submissiveness,
and our reproductive and parental behavior. And hormones do more than influence
adult behavior; early in life they help to determine the development of bodily
form and may even determine an individual’s behavioral capacities. Later in life
the changing outputs of some endocrine glands and the body’s changing
sensitivity to some hormones are essential aspects of the phenomena of aging.
Communication within the body and the consequent
integration of behavior were considered the exclusive province of the nervous
system up to the beginning of the present century. The
A. To explain the specific functions of various hormones.
B. To provide general information about hormones.
C. To explain how the term "hormone" evolved.
D. To report on experiments in endocrinology.
[填空题] What’s the regular means of payment of the buyer
By（）.
[填空题] A. organize
B. bargain
C. regular
D. charge
[单项选择] Passage Two
Regular child care provided outside
home or by someone other than the mother does not in itself undermine(削弱)
healthy emotional connections between mothers and their 15-month-old infants,
according to a long-term national study. The finding holds even if care begins
during the first 3 months after birth and runs for 30 hours or more per
week.
Among infants who receive unkind and unresponsive care
from their mothers, however, the mother-child relationship may be damaged. "This
research helps us put apart complexities regarding child care that have not
previously been studied in detail." contends Jay Belsky, a psychologist at
Pennsylvania State University. Belsky and several of his colleagues announced
their findings last week at the international conference.
The
investigation consists of 1 153 children and their families livi
A. the researchers started with only one month old infants
B. the observers could rate the quality of child care efforts and analyzed them soon
C. the researchers were able to give the questionnaires to mothers in their homes
D. video equipment enabled researchers to observe what was happening directly
[填空题]A
Regular European business travellers view travelling on commercial airlines as inefficient and inconvenient. Mostly it is not the airlines’ fault but the infrastructure they have to work with.
Private aircraft are being bought primarily not to save money on tickets but to save time.
Scheduled flights in Europe cover only 10 per cent of the destinations available. Delays, more likely than not in European travel these days , waste precious time. The number of hours top executives with huge salaries waste has a direct impact on cost-effectiveness.
B
The gradual completion of Europe’s single market means that more and more executives are criss-crossing Europe to look for business. With European domestic air fares extremely high, a corporate jet looks more attractive for executives flying three or four times a month. Even some of Europe’s smaller companies are investigating it. However, the larger European airports operate priority regulations which govern slot al
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