问题
单项选择题
下述哪项不是HCV的特性
A．HCV为单股正链RNA病毒
B．HCVRNA可早至暴露后1周检出
C．HCVRNA的变异性大
D．HCV至少可分为6个基因型
E．HCV与HBV同属肝病病毒科
答案
参考答案：E
解析： HBV是嗜肝DNA病毒科，HCV属于黄病毒科丙肝病毒属。故答案选E。
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下述哪项不是HCV的特性
A．HCV为单股正链RNA病毒
B．HCVRNA可早至暴露后1周检出
C．HCVRNA的变异性大
D．HCV至少可分为6个基因型
E．HCV与HBV同属肝病病毒科
参考答案：E
解析： HBV是嗜肝DNA病毒科，HCV属于黄病毒科丙肝病毒属。故答案选E。
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| It is the middle of the day. Mother and Jack at table for __1___. There is some rice, bread and meat __2___ the table. "I don't like any ___3___ . I don't want to eat it." says Jack. Mother says, "All right. Don't ___4___ it." After lunch mother goes to work in the field (田地) and Jack goes to school. __5___ supper mother gives a bowl of rice to Jack again. "Oh, it is great!" says Jack. "It is the same rice." says Mother. "Is that so?" asks Jack. | ||||
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