Translate the following sentences into Chinese
Man ’s knowledge about himself and nature has grown into a variety of sciences
人类对自身和自然的认识已发展成多种科学2
If the American offered dollars in payment for the car, the auto manufacturer would be stuck with money that no small Japanese shop would accept
如果美国人提供美元支付这辆汽车,汽车制造商将陷入资金困境,没有日本小商店会接受
At the same time we are using up our natural resources— fuels and mineral ores— at an ever-increasing rate with no hope of replacing them
与此同时,我们的自然资源、燃料和矿石的利用率在不断提高,没有希望取代它们
At times, the crews could work only three hours a day because their activities interfered with the running of the subway
有时,工作人员一天只能工作三小时,因为他们的活动妨碍了地铁的运行
What happened yesterday proved him to be a highly competent and efficient secretary
昨天发生的事情证明了他是一个非常能干和有效率的秘书