copy(tasks2, tasks)
大约20分钟后，17位村民陆续涌到山沟里，将那头牛五花大绑，横竖穿插了三根木桩，再在牛身上绑两条长绳，绳头各自由几个男人牵引往上拽。为确保每个人都能搭把手，男人们之间挤得密密实实，以至于我都看不见被围在中间的牛。
。快连下载安装对此有专业解读
Their mission: to find out if men could survive two weeks in space. If not, the Moon was out of reach.，这一点在WPS官方版本下载中也有详细论述
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