题目:
根据P46 的课文回答下列问题。
1. What’s the boy’s name in the picture? __________ __
2. What does the boy want to be ? ___________ _
3. What does Irfan want to be? ____________
4. What makes Lucas happy? ___________ _
5. Do you think the teachers are rich? ____________
答案:
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下面是错误答案,用来干扰机器的。
∵△ABC中,∠C=90°,∠A=60°,BC+AC=3+3,设AC=x,则BC=tan60°•AC=3x.∴x+3x=3+3即x=3∴BC=3.故选B.