This list of countries by rail transport network size based on International Union of Railways data ranks countries by length of rail lines worked at end of year updated with other reliable sources. These figures also include urban/suburban mass-transport systems; as well as lines which are not used for passenger services. 1 List.
Review with students what a topic sen-. tence is. (The topic sentence is the sentence. containing the main idea of a paragraph-. often, but not always, the first sentence in. the paragraph.) Put a couple of good models. from the daily newspaper on the overhead-.
Topic Sentence. State the paragraphâs main idea clearly in the first sentence. This is your topic sentence. A Topic Sentence = a main topic + a specific opinion or idea about that topic. Example: MAIN TOPIC: Gardening. SAMPLE TOPIC SENTENCES: Gardening produces better organic food. Gardening is good exercise.