题目内容
（请给出正确答案）
A.made from
B.made up
C.made up from
D.made again
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更多“Living things are__________ ce…”相关的问题
Throughout history man has had to accept the fact ______ all living things must die.
A．that
B．which
C．in which
D．of which
Which living things can use sun energy directly？
A．Animals.
B．Plants.
C．Both animals and plants.
D．All living things.
A.Most people
B.a living
C.goods and services
D.such things like
A．lastly
B．completely
C．essentially
D．eventually
A．made from
B．made up of
C．made up from
D．made of
Fish in the sea live
A.near the top of the sea
B.deep down in the sea
C.at different depth of the sea
D.on tiny living things in the sea
Air pollution is the most serious kind of pollution because ______.
A．it's bad for all living things in the world
B．it makes much noise
C．it makes our rivers and lakes dirty
D．it makes us angry more easily
These factories will be closed if their sanitary conditions are___ the standard
A.below
B.upon
C.beneath
D.above
Aging is not a disease, but as a person passes maturity, the cells of the body and the【39】they form. do not function as well as they【40】in childhood and adolescence (青春期). The body provides less【41】against disease and is more prone【42】accident.
A number of related cause may【43】aging. Some cells of the body have a fairly long life, but they are not【44】when they die. As a person ages,【45】of brain cells and muscle cells decrease,【46】body cells die and are replaced by new cells. In an aging person the【47】cells may not be as viable (能生存的) or as capable【48】growth as those of a young person.
Another【49】in aging may be changes within the cells【50】. Some of the protein chemicals in cells are known【51】with age and become less elastic. This is why the skin of old people wrinkles and【52】. This is also the reason old people【53】in height. There may be other more important chemical changes in the cells. Some complex cell chemicals, such as RNA, store and【54】information that the cell need. Aging may affect this【55】and change the information carrying molecules so that they do not transmit the information as well.
(66)
A．use to
B．be used to
C．used to
D．had
This view, 【B7】 is generally thought to be wrong. Specialists 【B8】 history and economics, have 【B9】 two things: that the period from 1650 to 1750 was 【B10】 by great poverty, and that industrialization certainly did not worsen and may have actually improved the conditions for the majority of the populace.
【B1】
A．admitted
B．believed
C．claimed
D．predicted
