[填空题]The company has built an additional factory to (large) ______ its operations.

[单项选择]The Hershey chocolate factory had been built
A. 1 year later after Mr. Hershey sold the Lancaster Caramel Company.
B. 3 years later after Mr. Hershey sold the Lancaster Caramel Company.
C. 5 years later after Mr. Hershey sold the Lancaster Caramel Company.

[填空题]The factory has developed a new way of dealing with (industry) ______waste.

[判断题]When factory has spare capacity, the fixed costs are relevant in respect to the additional order.

[单项选择]
The new factory is not likely to be built because of ______.

[单项选择]Their factory has developed a kind of ______to help people walk.
[A] the machine [B] machines [C] machine

[单项选择]YouTube has built a global reputation as the place to go for video clips of singing cats, laughing babies, reckless drivers, and raucous wedding processionals. But there’s more to the site than pointless (67) ; there is a growing collection of university lectures available, (68) one by a Harvard Business School professor talking about consumer psychology in the (69) , and Cambridge University historian David Starkey (70) the history of the British monarchy. Earlier this year YouTube (71) a new home(首页)for education, YouTube EDU, which started as a volunteer project by company employees seeking a better way to (72) educational content uploaded by U. S. colleges and universities. "Around the world people can, from the comfort of their home, (73) their knowledge on a subject or explore other topics to better themselves (74) ," says YouTube EDU’s Obadiah Greenberg. "I think that is rather (75) ."
One need no