熔断器熔体的最高允许温度为()。
A.100℃
B.110℃
C.120℃
D.130℃
参考答案:D
一个圆锥形沙堆,底面积是19.2平方米,高1.5米。用这堆沙在8米宽的公路上铺2厘米厚的路面,能铺多少米?
—Silly me! I forget what my luggage looks like?
—What do you think of________over there?
A.the one
B.this
C.it
D.that