Which of the following is a way you could begin an essay that's about the medical uses of iodine?  

    A. Last summer, a splinter in my brother's leg became infected, which led to blood poisoning. He could have prevented the problem with a few drops of iodine. 
B. The Winter Olympics of 1980 took place in the beautiful area of Lake Placid, New York. Lake Placid is nestled in the Adirondack mountains. 
C. Although iodine is useful for medical treatments, so are other elements like oxygen, radium, and barium. 
D. Silver iodide is used in photography. Photography is a widespread form of art, and it has become more popular than painting. 

A?

2.   Which one of these statements would be considered inappropriate in formal writing?  

A. Next, he prepares to conduct his experiments. 
B. He hates to be late. 
C. He reviews the reports of his assistants. 
D. Dr. Thomson arrives promptly each morning. 

B?

I agree with both of your answers.

Thanks

You're welcome.

3.   Which of the following is the best opening sentence for a business letter that you want to sound fairly informal? 

    A. This letter is to make you cognizant of our receipt of your order.
B. Your order of February 10 arrived in our office today.
C. Please be advised that I've just received your order.
D. I am in receipt of your order of February 10.

And your answer is?

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