更多"With the forests cut down, soil can"的相关试题:
[填空题]With the forests cut down, soil can easily lose its fertility when the essential nutrients are ______.
[填空题]We can cut down global warming pollution by increasing our reliance on renewable energy source such as______.
[填空题]The aging of cut flowers can be slowed down ______.
[填空题]The balance of nature can prevent soil deterioration.
[简答题]No clear-cut distinction can be drawn between professionals and amateurs in science： exceptions can be found to any rule．Nevertheless，the word“amateur”does carry a connotation that the person concerned is not fully integrated into the scientific community and， in particular，may not fully share its values．The growth of specialization in the nineteenth century，with its consequent requirement of a longer，more complex training，implied greater problems for amateur participation in science．The trend was naturally most obvious in those areas of science based especially on a mathematical or laboratory training，and can be illustrated in terms of the development of geology in the United Kingdom．
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Breastfeeding Can Cut Cardiovascular Risk
Breastfeeding can reduce the risk of a heart attack or stroke later in life and could prevent hundreds of
(51) of deaths each year, researchers said on Friday.
Babies who are breastfed have fewer childhood infections and allergies and are less
(52) to obesity. British scientists have now shown that breastfeeding and slow growth in the first weeks and months of life has a protective effect
(53) cardiovascular disease.
"Diets that promote more rapid growth put babies at risk many years later in
(54) of raising their blood pressure, raising their cholesterol and increasing their tendency to diabetes and obesity--the
(55) main risk factors for stroke and heart attack." said Professor Alan Lucas of the Institute of Child Health in London.
"Our evidence suggests that the reason why breast-fed babies do better is because they grow more
(56)
A. which
B. that
C. something
D. anything
