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ient．Merchandise sold in machines eliminates the need for a salesclerk or cashier．Inmany places the customer puts a coin into the machine and then pushes a button，pulls a lever，or opens a door to receive the merchandise．Some machines will also return change tothe customer，and a few will make change for paper money．But the basic idea is the same．Customers like to save time and are usually willing tO pay a higher price for this convenience．The sale of snacks in vending machines has always been very successful．However，machines now sell hot meals with only limited success．In New York City，automates used tosell a lot of hot foods in vending machines．But in recent years，fast food establishments havereplaced automates．A．Fast food establishments have always been successful．B．Vending machines have been successful．C．So far，vending machines have won only limited success．D．Vending machines sell many different kinds of goods． 参考答案： B B----------------------------------------1、Correctthe errors in the following sentences．Example：After seeing an offensive mouthwash ad on—television，I resolved never to buy that brand again．After seeing an offensive mouthwash ad on televi—sion，I resolved never to buy that brand again．The exam was postponed the class was canceled as well． 参考答案： The exam was postponed；the class was canceled as well． The exam was postponed；the class was canceled as well．----------------------------------------2、We are planning．To hold a meeting． 参考答案： We are planning to hold a meeting． We are planning to hold a meeting．----------------------------------------3、My hometown is beautiful．Especially in fall． 参考答案： My hometown is beautiful，especially in fall． My hometown is beautiful，especially in fall
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