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问题 单项选择题

人体内华支睾吸虫自囊蚴发育至成虫需要时间

A．10～20天

B．21～40天

C．41～60天

D．1个月左右

E．半年以上

答案

参考答案：D

解析：从囊蚴进入终宿主体内至发育为成虫，随宿主种类而异，犬、猫需20～30天，鼠平均21天，人约1个月。

补全对话，情景问答
从下面的选项中选出三项补全对话。
A: No, it isn't.
B: May I go with you?
C: It's about 3,000 kilometers.
D: At seven in the morning.
E: On Sunday.

A: hello, Li Ming. We are going on a trip to the Summer Palace tomorrow.
B: 1.           
A: Sure.
B: When do we leave?
A: 2.           
B: Is it near here?
A: 3.            Let's go there by bicycle.
B: Ok. See you tomorrow.
A: See you.
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问答题 简答题

癫痫全身发作急救流程是什么？
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