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One of the world's most successful business leaders, Elon Musk, has said that people need to work from around 80 to over 100 hours per week to "change the world". He is the founder, CEO and lead designer of SpaceX; the co-founder and CEO of the car company Tesla; and the co-founder of PayPal. He works very hard on many projects that have changed and could change our lives. He said he is a workaholic but he loves what he does. He talked about working hard in an interview with the technology news website Recode.

It is not just Mr Musk who works hard. Workers at his companies also put in very long hours. Musk said "everyone" at Tesla has worked 100 hours per week at times this year. He said this was necessary to make sure the Tesla Model 3 car could survive. He said, "There wasn't some other way to do this." Musk acknowledged that some Tesla employees were unhappy with working so hard. He said some workers called the hours "excessive", while others said they prefer to work 70 or more hours per week. The average CEO of a multi-billion-dollar company works around 70 hours a week.

1.Which is NOT true about Elon Musk?

A He is a successful business leader.

B He is the CEO of the car company Tesla.

C He works very hard on many projects.

D He is not a workaholic and doesn’t like what he does.

解析：选D。细节理解题。根据第一段He said he is a workaholic but he loves what he does.可知Elon Musk是个工作狂，但他喜欢他所做的事，故选D。

2.What can we learn from Paragraph 2?

A Only Musk works hard at Tesla.

B Not all the workers are happy with working so hard at Tesla.

C All the workers at Tesla prefer to work 70 or more hours per week.

D All the workers at Tesla don’t want to work very long hours.

解析：选B。推理判断题。根据第二段Musk acknowledged that some Tesla employees were unhappy with working so hard.可知特斯拉的一些员工对如此辛苦的工作并不满意，故选B。

3.What does the underlined word “excessive” mean in Chinese?

A 过多的.

B 过少的.

C 平均的.

D 可接受的.

解析：选A。词义猜测题。根据后半句while others said they prefer to work 70 or more hours per week.可知，有些工人更愿意每周工作70小时或更长时间，而有些工人称工作时间“过长”，故选A。

4. How long does the average CEO of a multi-billion-dollar company work a week?

A About 120 hours.

B About 100 hours.

C About 80 hours.

D About 70 hours.

解析：选D。细节理解题。根据第三段最后一句The average CEO of a multi-billion-dollar company works around 70 hours a week.可知一家价值数十亿美元的公司的首席执行官平均每周工作约70小时，故选D。