Measles have reappeared among the kindergarten children. ( )
举一反三
- 中国大学MOOC:"How long should children be quarantined at home after they have measles？ ( )";
- A<br/>village has 100 under five children. The coverage of measles<br/>vaccine is 60%. Following a measles case 26 children<br/>developed measles. The secondary attack rate is() A: 25% B: 40% C: 50% D: 65%
- How many children do they have? A: One child. B: Two children. C: Three children. D: Not mentioned.
- Two-thirds of the children in this kindergarten _____ from worker's families A: comes B: come C: has come D: have come
- Several children in a kindergarten class have been treated for pinworm. To prevent the spread of pinworm, the school nurse meets with the parents and explains that they should（） A: tell the children not to bite their fingernails. B: not let children share hairbrushes. C: tell the children to cover their mouths and noses when they cough or sneeze. D: have their children immunized.