填空题
Directions: In this section, you will hear
a passage three times. When the passage is read for the first time, you should
listen carefully for its general idea. When the passage is read for the second
time, you are required to fill in the blanks numbered from 36 to 43 with the
exact words you have just heard. For blanks numbered 44 to 46 you are required
to fill in the missing information. For these blanks, you can either use the
exact words you have just heard or write down the main points in your own words.
Finally, when the passage is read for the third time, you should check what you
have written.
The United States government wants to know what the public
thinks about its findings on the safety of {{U}}(36) {{/U}}
animals.
The Food and Drug Administration says meat and milk
from clones of adult cattle, pigs and goats are safe to eat. An FDA
{{U}}(37) {{/U}} called them "as safe to eat as the food we eat every
day."
And when those clones {{U}}(38) {{/U}} sexually,
the agency says, their {{U}}(39) {{/U}} are safe to eat as well. But
research on cloned sheep is limited. So the FDA {{U}}(40) {{/U}} that
sheep clones not be used for human food.
The United States this
year could become the first country to {{U}}(41) {{/U}} the sale of
foods from cloned animals.
First, however, the public will have
ninety clays to {{U}}(42) {{/U}} on three proposed documents. On
December twenty-eighth the FDA released a long report, called a draft risk
{{U}}(43) {{/U}}, along with two policy documents.
{{U}}
(44) {{/U}}. The FDA seemed ready to act several years ago, but an
advisory committee called for more research. {{U}}(45) {{/U}}. Clones
are still rare. They cost a lot and are difficult to produce. {{U}}(46)
{{/U}} Critics question the safety. Animal rights activists also have
objections.