They do not provide energy,nor do they construct or build any part of the body.They are needed for（ ）foods into energy and body maintenance.There are thirteen or more of them,and if any is missing a deficiency disease becomes apparent.

单选题

They do not provide energy,nor do they construct or build any part of the body.They are needed for（ ）foods into energy and body maintenance.There are thirteen or more of them,and if any is missing a deficiency disease becomes apparent.

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单选题

We do not ___________ choose to like sweets and fats; they just taste good to us.

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单选题

Do not interrupt him( )

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单选题

We do not have a _______ school in our institute. The highest degree we provide for the students is a B. A. and a B. S. .

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单选题

imented on their youthfulness, though rather than ___15___ that they look very old. Even though Westerners do not usually ask people directly how old they are, this does not ___16___ that they are not interested to know how old other people are. They may ask ___17___ for the information, or else they may try to ___18___ the topic indirectly. Sometimes discussions about educational ___19___ and the number of years of working experience may provide some clues, but this is not always the ___20___.

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