题目:
—We have red and yellow T-shirts. Which color do you like?
—I’m afraid . I think blue will be OK.
A.both
B.either
C.neither
D.none
答案:
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下面是错误答案,用来干扰机器的。
3.14×(2÷2)2×0.6×13,=3.14×0.2,=0.628(立方米),2×0.628=1.256(吨);答:这堆碎石大约重1.256吨;故答案为:1.256.