怎样检查推力瓦面的接触点？
参考答案：先在瓦面上涂一层极薄的酒精，用一块中间挖去面积等于21cm圆孔的薄铁皮放在瓦面上，数出孔中显示高点数并取其均值。
36. We were all _____ when we heard the _____ news that we football team has won in the match.
A．excited; excited
B．exciting; exciting
C．excited; exciting
D．exciting; excited
的古诗名句抄写在田字格里。此题根据抄写文字和卷面书写水平综合评分。（4分）