单选题Directions:There are 20 blanks in the following passage.
For each blank there are four choices marked A, B, C and D on the right side of
the paper. You should choose the ONEthat best fits into the passage.
When it comes to eating smart for your heart,
thinking about short-term fixes and simplify life with a straightforward
approach that will serve you well for years to come.
Smart eating goes beyond analyzing every bite ad you lift {{U}} {{U}}
1 {{/U}} {{/U}}your mouth. "In the past we used to believe that
{{U}} {{U}} 2 {{/U}} {{/U}}amounts of individual nutrients (营养物)
were the {{U}} {{U}} 3 {{/U}} {{/U}}to good health," Linda Van
Horn, chair of the American Heart Association's Nutrition Committee. "But now we
have a {{U}} {{U}} 4 {{/U}} {{/U}}understanding of healthy
eating and the kinds of food necessary to {{U}} {{U}} 5 {{/U}}
{{/U}}not only heart disease but disease {{U}} {{U}} 6 {{/U}}
{{/U}}general," she adds. Scientists now {{U}} {{U}}
7 {{/U}} {{/U}}on the broader picture of the balance of food eaten
{{U}} {{U}} 8 {{/U}} {{/U}}several days or a week {{U}}
{{U}} 9 {{/U}} {{/U}}than on the number of milligrams (毫克) of this
or that {{U}} {{U}} 10 {{/U}} {{/U}}at each meal.
Fruits, vegetables and whole grains, for example, provide nutrients and
plant-based compounds {{U}} {{U}} 11 {{/U}} {{/U}}for good
health. "The more we learn, the more {{U}} {{U}} 12 {{/U}}
{{/U}}we are by the wealth of essential substances they {{U}} {{U}}
13 {{/U}} {{/U}}," Van Horn continues, "and how they {{U}} {{U}}
14 {{/U}} {{/U}}with each other to keep us healthy."
You'll automatically be {{U}} {{U}} 15 {{/U}} {{/U}}the fight
heart-healthy track if vegetables, fruits and whole grains make {{U}}
{{U}} 16 {{/U}} {{/U}}three quarters of the food on your dinner
plate. {{U}} {{U}} 17 {{/U}} {{/U}}in the remaining one quarter
with lean meat or chicken, fish or eggs. The foods you choose
to eat as well as those you choose to {{U}} {{U}} 18 {{/U}}
{{/U}}clearly contribute to your well-being. Without a {{U}} {{U}}
19 {{/U}} {{/U}}, each of the small decisions you make in this realm can
make a big {{U}} {{U}} 20 {{/U}} {{/U}}on your health in the
years to come.