单项选择题

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A.F. O. B price list.
B.An indication of price.
C.I.F.
D.A list of requirements.
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单项选择题
A.The food served at the stands is tasty and healthy.B.The food the supermarket sells attracts the attention of the students.C.Students think the service in the school cafeteria is not good enough.D.Students got sick after they had a meal m the school cafeteria.
A.The food served at the stands is tasty and healthy.
B.The food the supermarket sells attracts the attention of the students.
C.Students think the service in the school cafeteria is not good enough.
D.Students got sick after they had a meal m the school cafeteria.
单项选择题
A.It is to determine which food chain is the most efficientB.It is to describe the food network among plants and animals.C.It is to explain the process of photosynthesis (光合作用) in green plants.D.It is to appeal to conservationists to protect endangered plant species.
A.It is to determine which food chain is the most efficient
B.It is to describe the food network among plants and animals.
C.It is to explain the process of photosynthesis (光合作用) in green plants.
D.It is to appeal to conservationists to protect endangered plant species.
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