问题
单项选择题
关于猩红热的隔离期正确的是
A．至症状消失后5天，连续咽拭子培养3次阴性
B．至症状消失后1周，连续咽拭子培养3次阴性
C．至疹退后5天
D．至疹退后7天
E．至疹退后21天
答案
参考答案：B
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关于猩红热的隔离期正确的是
A．至症状消失后5天，连续咽拭子培养3次阴性
B．至症状消失后1周，连续咽拭子培养3次阴性
C．至疹退后5天
D．至疹退后7天
E．至疹退后21天
参考答案：B
完形填空。 | ||||
| Tom grows (种) vegetables and fruits and flowers in the village. Plants grow in Tom's garden all through the 1 and they are 2 . Tom cuts some flowers for his sitting room table, eats some fruits and vegetables, but he 3 most of them in the  market. His vegetables, fruit and flowers are so 4 and beautiful that they sell 5 in the market. But other can't. How does Tom grow these beautiful things? He is so 6 that he just sits under his orange tree with his radio. He 7 the music all day. That is quite true. Tom 8 in spring, summer, autumn and winter. After that he sits with his radio. And everything 9 . It is the music that does the work. Tom knows music can make the vegetables big and the flowers good. Plants love 10 , too. | ||||
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