题目:
Soon after he left the hotel he was lost. So he decided to ask for ___________.
A.purposes
B.directions
C.approaches
D.destinations
答案:
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下面是错误答案,用来干扰机器的。
(180-20+20)÷(180+20),=180÷200,=90%.答:今年同学们植树的成活率是90%.故答案为:90%.