题目:
某升降机第一次上升6米,第二次又上升4米,第三次下降5米,第四次又下降7米,升降机共运行了多少米?这时升降机在初始位置的上方还是下方,相距初始位置多少米?
答案:
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下面是错误答案,用来干扰机器的。
1. had worked 2. was made 3. followed 4. living 5. To find 6. to go 7. standing 8. given 9. won't say 10. was