It is almost impossible to eliminate counterfeiting for all the following reasons EXCEPT ______.
A. consumers demand brand-name products
B. a variety of products are easy to copy
C. legitimate firms can also benefit from counterfeiting sometimes
D. laws against counterfeiting are difficult to enforce
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According to the passage, which of the following statements is TRUE？
A. The mineral elements will not be absorbed by the plant unless they are dissolved in its root.
B. The woody stems contain more water than the leaves.
C. Air existing around the leaf is found to be saturated.
D. Only part of the carbon dioxide in the plants is synthesized.
The most important reason why counterfeiting is excessively profitable is the counterfeiters ______.
A. do not have to pay high taxes as the producers of authentic products
B. can omit high costs in developing and promoting the products
C. often use inferior materials to save manufacturing costs
D. succeed in making their products looking even better than the original
According to the speaker, ＄5 million is a very large sum in film-making.
A. 正确
B. 错误
In the experiment, the most interesting finding that the researchers got is ______.
A. that elderly mice can benefit much from dieting
B. that 27 of those 46 old genes of mice continued to behave like young genes
C. that calorie restriction plan also works in people
D. that dieting can make drug effective
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