A year ________ four seasons, they are spring, summer, fall and winter.
A.makes up
B.is made up of
C.is made of
D.is made from
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本题考查词组辨析.四个选项中,make up表示“组成,构成”;be made up of表示“由……组成/构成”;be made of表示“用……制成(看出原材料)”;be made from表示“用……制成(看不出原材料)”.题意为“一年由四个季节组成,它们是春天、夏天、秋天和冬天.”