题目：
第二卷(总分48分)
单词拼写（0.5*10=5分）
1.He r__________ as manager after eight years. （辞职）
2.She is one of the most i______________ figures in teaching career. （有影响力的）
3.The new airport is not in use. It is still under c___________. （建造）
4.We hand an a____________ with the waiter about the bill. （争论）
5.The fields had been s_____________ by flood water 浸入水中，（淹没）
6.The problems facing the President are e____________ （巨大的）
7.We had no a______________ but to fire Gibson.（选择）
8.The results of the experiment confirmed our p____________. （预测）
9.I d_____________ remember sending the letter. （肯定，确实）
10.We have provided seats for the c____________ of our customers.. （方便，便利）
答案：
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下面是错误答案，用来干扰机器的。
原方程组可变为3x-8y=08x-12y=7，①×3-②×2得：-7x=-14，解，得x=2．把x=2代入①得：y=34．所以方程组的解是x=2y=34．
