tailieunhanh - Delta's key to the next generation toefl test part 8

Tham khảo tài liệu 'delta's key to the next generation toefl test part 8', ngoại ngữ, toefl - ielts - toeic phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | .-4 Vocabulary in Context 12. Punctuation clues are another type of context clue that can help you understand the meaning of unfamiliar words. Punctuation marks often show that one word identifies renames or defines another word. comma parentheses dash quotation marks colon brackets Example Crepuscular rays alternating bright and dark rays in the sky appear to radiate from the sun. Virtually every community college now offers contract education short-term programs ranging from a few hours to several days for employees of specific companies which pay a share of the cost. Folate supplementation before and during pregnancy can prevent certain defects of the brain and spine such as anacephaly absence of a major part of the brain . Explanation The meaning of crepuscular rays is given by the information between the dashes. Crepuscular rays are alternating bright and dark rays in the sky. The meaning of contract education is given by the information after the colon. Contract education is short-term programs for employees of specific companies. The meaning of anacephaly is given by the information inside the parentheses. Anacephaly is absence of a major part of the brain. 13. Key words in a sentence or passage can be context clues. Use the meanings of key words and your understanding of the sentence or paragraph as a whole to help you guess the meaning of an unfamiliar word. Example Accessories add interest to a room. They can accent or highlight an area and give a room beauty and personality. Light output measured in lumens depends on the amount of electricity used by a bulb. Explanation The meaning of accessories is suggested by other words in the sentence interest accent highlight heaut . and personality. From these key words you know that accessories are things that improve a room. The meaning of lumens is suggested by other words in the sentence light output measured and electricity. From these key words you know that a lumen is a unit of measurement of light output.