A good way to ________ (扩大) your vocabulary is to read a daily newspaper. 2. Smoking during pregnancy ________ (危及) the baby’s life. 3. I was ________ (着迷) by the way she smiled. 4. A few dedicated doctors have fought for years to ________ (启发) the profession. 5. The island is ________ ( 环绕 ) by a dusty road. 6. The report proposed ________ ( 的 ) education at school. 7. The group meets on a regular basis, usually weekly or ________ ( 两周一次 ). 8. A long cobbled street ________ ( 一分为二 ) the town from east to west. 9. Tricycles are used by children and adults alike for their stability versus a ________ ( 自行车 ). 10. There were ________ ( 两极分化的 ) views of the world during the Cold War.