更多"Among humans, the effects of aging "的相关试题:
[单项选择]Among humans, the effects of aging vary from one individual to another. The average life ______ for Americans is around 75 years, almost twice what it was in the early 1900s.
A. spectrum
B. expectation
C. expectancy
D. width
[单项选择]Attitudes towards greeting cards giving vary from student to student.
A. 同学门对送贺卡的态度各不相同。
B. 有同学们认为应该送贺卡。
C. 同学们的态度是送贺卡。
D. 不一样的同学对送贺卡的态度变化。
[单项选择]Why do some birds vary from place to place in their song repertoires of according to DK
A. A．It comes about perhaps because of the change of their DN
[单项选择]Why do teens drink Reasons vary from ______ pressure to family patterns to social conditioning.
A. spouse
B. peer
C. antagonist
D. competitor
[单项选择]Machine tools vary in size from handheld devices used for drilling and grinding to large stationary machines that perform a number of different operations.
A. exist
B. expand
C. compare
D. range
[单项选择]By "busing children from one neighborhood to another is one solution to inequality in education", the author means __________.
[单项选择]She moves from one exotic location to another.
A. unusual
B. familiar
C. similar
D. proper
[单项选择]
American people have always been moving from one place to another throughout the history of their development: The history of the American people is, (21) , the history of the movement of the American people. They moved from the colonies of the East Coast to the open space of the (22) . They moved from the country and the farm to the city. (23) , Americans have been moving from the cities to the suburbs.
Pioneer Americans began (24) from the East Coast to the West 250 years ago. They moved west for many reasons. (25) reason was that they could obtain (26) open space and land (27) farming. Americans liked large open spaces, and they liked the freedom and independence to (28) the land in their own way. Some of the land became farms. Important minerals were discovered in some areas, so some of the land became (29) . Other large areas became farms and cattle ranches. There seemed to be enough land for everybody. B
A. towns
B. factories
C. mines
D. farms
