Which of the following is the most specific（）
A. Dessert
B. Ice cream
Chunky Monkey
D. Chocolate ice cream
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在①“中国人是勤劳的”和②“小王是中国人”中，“中国人”（）
A. 都是集合概念
B. 都是非集合概念
C．在①中是集合概念，在②中是非集合概念
D．在①中是非集合概念，在②中是集合概念
不正确的变量说明是（）
A. unsigned int ui
B. short int s
C. double int a
D. int I,j,k
About the similar features of the small chair, lean-on chair and the couch in the early Han Dynasty, the correct following option is（）
A. There’s a braced board of door at the bottom of them
B. They are high
C. The backs were covered with a kind of triangular woven cloth
D. The backs were covered with a kind of quadrate woven cloth
What are the major kinds of the more than 3,000 excavations found in Mawangdui（）
A. Catering, cosmetic, recreation, sacrificial and warring equipment
B. Catering, sacrificial, cosmetic, recreation and production equipment
C. Servant, sacrificial, cosmetic, travel and production equipment
D. Catering, sacrificial, cosmetic and recreation equipment
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