下列不符合杜氏利什曼原虫特征的是 A．无鞭毛体寄生于巨噬细胞

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问题单项选择题

下列不符合杜氏利什曼原虫特征的是

A．无鞭毛体寄生于巨噬细胞内
B．以白蛉为传播媒介
C．生活史中均为无性繁殖
D．前鞭毛体只有鞭毛一根
E．有波动膜

答案

参考答案：E

句型转换

按要求改写句子。

1. My uncle lives 10 miles from my home. ( 对画线部分提问）

______ your uncle live from your home?

2. Tim takes the subway to school.（一般疑问句)

_____ Tim _____ the subway to school?

3. He goes to work on weekends.（改为否定句）

He _____ _____ to work on weekends.

4. You must look after your sister today.（改为同义句）

You _____ _____ look after your sister today.

5. Taking the boat isn't funny,I think.（合为一句）

I _____ _____ taking the boat _____ funny.

判断题

危险废物可以与生活垃圾一起填埋处理。