The main purpose of the first 3 paragraphs of the passage is to ______. A: prove that contaminants are harmful to health B: show that contaminants could affect the future generations C: describe some experiments made by toxicologists D: urge that pesticides should be abandoned

______sentences are used between paragraphs to help tie together the supporting paragraphs in an

The second step is to make a proper introduction of your business. A: paragraph 1-3 B: paragraphs 4-6 C: paragraphs 3-6 D: paragraphs 2-4

4) Where does the paper give both negative and positive comments? A: Paragraph 3. B: Paragraphs 4. C: Paragraphs 5-6. D: Paragraphs 7-11.

请翻译:A transition is a word or phrase that connects sentences in paragraphs, and in turn connects paragraphs in a message.

In the keyhole diagram, the body paragraphs ___________.

Paragraphs 5-7 mainly support the idea that ______.

The main idea of Paragraphs 3 and 4 is ______.

Which one of the following is not the feature of paragraphs?

Match the paragraphs with the revelant main ideas.