问题
单项选择题
脑膜炎双球菌，下列正确的是（）
A.阳性双球菌
B.我国流行菌群以B群为主
C.共13群，以XYZ群最常见
D.内毒素是其重要致病因素
E.在外界抵抗力强
答案
参考答案：D
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脑膜炎双球菌，下列正确的是（）
A.阳性双球菌
B.我国流行菌群以B群为主
C.共13群，以XYZ群最常见
D.内毒素是其重要致病因素
E.在外界抵抗力强
参考答案：D
| 阅读理解。 | ||||||||||
| Today is my birthday. I want to thank my family for their love. So I cook the dinner for them. I know my mother likes hamburgers and broccoli. But my father likes chicken and tomato soup. I have a brother. He likes hamburgers, too. But he doesn't like broccoli. He likes carrots. I have a sister, too. She likes fish and French fries. I like chicken and strawberries. I will buy these things for the birthday party.
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