Directions: Read the following passage. Complete the diagram/Fill in the numbered blanks by using the in formation for the passage. Write NOT MORE THAN 3 WORDS for each answer. | |
Lead poisoning (铅中毒) occurs when lead is present in high levels in the blood of a person. It is one of | |
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1. Causes 2. blood 3. Symptoms 4. Effects 5. heart diseases
6. a special diet 7. Prevention/Suggestion 8. Clean the house 9. high 10. avoid