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单选题文章中的第10空正确选项是（ ）。
参考答案：B进入在线模考
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3
In the first paragraph, the writer points out that
A there is general agreement on the benefits of pioneering products.
B companies are still uncertain about how to market new products.
C most companies prefer to market new products independently.
D there are now guidelines to help those who wish to pioneer.
In the first paragraph, the writer points out that
A there is general agreement on the benefits of pioneering products.
B companies are still uncertain about how to market new products.
C most companies prefer to market new products independently.
D there are now guidelines to help those who wish to pioneer.
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