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【单选题】
Tom, Bill and Dave lost their backpacks( 背包 ). They are at the Lost and Found desk. The backpacks are the same, but the things in them are d i fferent. Can you help them find the right backpack? Tom: I have a math book and a pencil case in my backpack. There are three pencils, a pen and an eraser in the pencil case. Bill: I have a Chinese dictionary, a math book and two notebooks in my backpack. Dave: There are two CDs, three picture books in my backpack. My English book is also in it. 2. Which of the f o llowing( 下面 ) is in Tom’s backpack?A.
pencil case
B.
English book
C.
dictionary
D.
notebook
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【单选题】During the Han Dynasty, therewere attempts at various styles and embryonic forms of those styles emerged.However, the representative style of calligraphy in the Han Dynasty was the______.
A.
regular style
B.
B. running style
C.
C. grass style
D.
D. clerical style
【简答题】已知等差数列{a n }中，a 2 ，a 4 ，a 9 成等比数列，则 a 1 + a 3 + a 5 a 2 + a 4 + a 6 =______．
【简答题】已知等比数列{a n }中，各项都是正数，且 3 a 1 ， 1 2 a 3 ，2 a 2 成等差数列，则 a 7 a 5 =______．
【判断题】Costumes and adornments were of the black colour in the Qin dynasty, but this style changed in the Han dynasty to red.
A.
正确
B.
错误
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