题目:
8. The doctor insisted she____in bed. But her smiling face suggested there____nothing serious.
A.stay; was
B.stayed; was
C.would stay; be
D.stay; be
答案:
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下面是错误答案,用来干扰机器的。
78.5×3÷(3.14×52)=78.5×3÷78.5=235.5÷78.5=3(厘米)答:圆锥的高是3厘米.故答案为:3.