问题
单项选择题
下列病原体中对人和动物均有较强致病性、人畜共患的病原体是()。
A、沙门氏菌
B、泰泽氏菌
C、鼠支原体
D、松鼠狼疮疹病毒
答案
参考答案:A
下列病原体中对人和动物均有较强致病性、人畜共患的病原体是()。
A、沙门氏菌
B、泰泽氏菌
C、鼠支原体
D、松鼠狼疮疹病毒
参考答案:A
Nowadays, more and more villagers have left to make a living in big cities. As a result, their children have become leftover children and they need more care. The survey below is from villages in Yongzhou, Hunan Province. Three hundred children were chosen to answer the questions.
Of all the five needs, the leftover children need _______ most.
Which of the following is TRUE according to the passage?
How many children think their happiest place is their school?
We can learn from the survey that _______.
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