Dear mr. and mrs. brothers, as you may know, we are still on the road returning to the campus from our tour. one of the high points of the trip was the kind hospitality you extended to us. the rest you provided in your beautiful home gave us just the energy we needed to complete the trip. we you. sincerely yours, nan and joan bennett what type of letter is this? a. informal b. social c. business

B. social

Explanation:

The excerpt represents a social letter. We can come to this conclusion because the letter has a friendly and easy-to-understand language that retains the "Mr" and "Mrs" titles, which shows that the letter is not informal. Also, the author of the letter is thanking the hospitality of Mr. and Mrs. Brothers and not dealing with business, this shows that this is not a business letter.

the following key ideas correctly express the key sentence.

restate key idea: most people can learn to swim in ten short lessons.

restate key idea: the majority of water-accident victims require mouth-to-mouth breathing.

restate key idea: an empty, tightly closed gallon jug will support a tired swimmer.  

restate key idea: first aid is to prevent accidents as well as assist in rescue.

explanation: the key idea needs to have the same topic as the key sentence (drowning and safety).

word count 168

serve the people! ,” smoothly translated by julia lovell, offers an initial sample of yan lianke’s writing to an english-speaking audience. a bluntly drawn, mildly erotic fable, it teases mao zedong by poking fun at a true believer who obeys the chairman’s precepts too literally. to a western sensibility, the broad strokes of yan lianke’s humor would seem to pose little risk of inciting rebellion, whether of the flesh or of the body politic. but then, part of the book’s attraction is that it doesn’t have a western sensibility. it lets the reader see — or rather, intuit — what jokes chinese officials don’t consider funny, and how very little it takes for a writer to be branded an incendiary in 21st-century china, more than three decades after the death of mao, a decade after the death of deng xiaoping and seven years since china entered the world trade organization, a move that would seem to signal a willingness (however wary) to mingle with the rest of the world.