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【简答题】
使描绘的试 与试件重叠,沿着 绳,用铅笔在白纸上画两个点,线即是 作用线 ;
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【简答题】咨询单位的市场部分析市场，请问市场细分的步骤？
【单选题】To be a good teacher, you need some of the gifts of a good actor: you must be able to【C1】______the attention and interest of your students you must be a【C2】______speaker, with a good, strong,【C3】_____...
A.
pay
B.
hold
C.
give
D.
know
【简答题】市场细分的步骤不包括（ ）。
【单选题】分别计算 c (HAc) =0.083mol/L 的 HA c 溶液的 pH 。( pK a(HAc) =4.76 )
A.
c(HAc) =0.083mol/L 的HA c 溶液的 pH 为1.46。
B.
c(HAc) =0.083mol/L 的HA c 溶液的 pH 为2.92。
【单选题】听力原文： Good morning, everybody. Now I'm going to tell you how to buy a ticket for the BART system. Each person must have a ticket. Children aged not more than four do not need a ticket. Since each of y...
A.
A group of 4 children.
B.
Children not more than 4 years old.
C.
Those who ride every day.
D.
Those who are free from work.
【简答题】简述市场细分的步骤。
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