Read the following paragraphs and answer the quesions. Both animals and people respond positively to rewards. as experiments have shown, rats in a Skinner box will systematically press a lever in order to obtain food. Dogs will perform response to verbal praise. People, like those who practice and pratice in order to reach the Olympics, also work for rewards. English teachers should be aware of this motivational principle and incorporate it into their teaching methods. a. Is there a topic sentence in this paragraph? Where is it? b. How many supporting ideas are given in the paragraph? c. What is the function of the last sentence? 2. The sky is clear blue. Sparrows chirp in the early morning. The fruit trees in the backyard are begninning to bloom. The hills are turning green, and purple and yellow wildflowers are appearing in the fields. The snow on the top of Camel Mountain has all melted. It must finally be spring. a. Where is the topic sentence of this paragraph? b. Which sentences provide the supporting details? c. What is the difference between Sample 1 and Sample 2 in terms of organizaion? 3. Warmed up a bit, I took a walk along the main aisle. I loved to look at each company's dispaly. Always showing their biggest and best produce, they showed my eyes a kaleidoscope of colors and a beautiful array of shapes and sizes. Boxes were lined up, containing bright yellow lemons and oranges alternating between various shades of red and green apples. a row of lettuce and other salad vegetables along the top included every shade of green imaginable. cases of smaller fruit--deep purple grapes, grass green avocados--made the large fruit look even larger. The display was framed by bunches of Indiana corn hanging all around and bordered at the bottom by earthen colored squash. Indeed the marketplace was a scene to awake the senses. a. Which sentence serves as the topic sentence in this paragraph? b. What are the supporting ideas? c. Is there a concluding sentence in the paragraph? d. What is the difference between this sample and the previous two samples in terms of organization?