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【单选题】
根据《中国旅游资源分类、调查与评价》(GBT 18972-2003)国家标准,“烽燧”属于以下哪种旅游资源?A.
地文景观
B.
遗址遗迹
C.
建筑与设施
D.
人文活动
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反馈参考答案：
举一反三
【简答题】用按列选主元的高斯一若当消去法求矩阵A的逆矩阵，其中 中
【单选题】Paul rents out a house which is fully furnished. The house does not qualify as a furnished holiday letting. Paul paid the following expenses in relation to the letting: £ New chairs for garden (not pr...
A.
£1,830
B.
£1,480
C.
£795
D.
£1 ,230
【简答题】The little boy entered the house, unhappy. His mother was 31 cakes in the kitchen. She smiled as she 32 but stopped when she saw his face. “Tyler, 33 happened? Is everything okay?” “Nothing is okay, m...
【简答题】The house is in ____. A. a beautiful surrounding B. beautiful surroundings C. a beautiful surroundings D. beautiful surrounding 32. He had to jump over the ____ wall to fetch the ball. A. six foots hi...
【单选题】The house is in ____.
A.
a beautiful surrounding
B.
beautiful surroundings
C.
a beautiful surroundings
D.
beautiful surrounding
【简答题】求矩阵A的逆矩阵,其中 .
【简答题】Today is Tuesday. We are having a ___31___ class in the classroom. Ms Chen is telling us what water is like. After that, she asks us “___32_ water like?” No one speaks for __33__ minutes. Ms Chen asks...
【简答题】Christmas is on December 25th. It’s my favorite 26 . In the morning my parents often 27 the house. My brother and I often 28 the Christmas tree with lights. Then we put a star 29 the top(顶部) of the tr...
【简答题】设矩阵 可逆，向量 是矩阵A * 的一个特征向量，λ是α对应的特征值，其中A * 是矩阵A的伴随矩阵，试求a，b和λ的值． 分析 由特征向量的定义，可得一个三元联立方程，由此可解出所求的参数．
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