搜题请搜索小程序“爱下问搜题”
问题 单项选择题

（182～184 题共用题干）一群成年番鸭突然发病，病死率在60%以上，临床表现主要为体温升高、两腿麻痹、排绿色稀粪。剖检见食道黏膜出血、水肿和坏死，并有灰黄色伪膜覆盖或溃疡；泄殖腔黏膜出血；肝有坏死点。

该群鸭发生的疾病可能是

A．鸭瘟

B．禽流感

C．鸭病毒性肝炎

D．番鸭细小病毒病

E．鸭疫里默氏杆菌病

答案

参考答案：A

完形填空

根据文章意思，首字母填空(8分)

Do you have any hobbies? If students don’t have any interest e___1___ school work, they may become boring people. And that can influence their studies.

Studying without relaxing isn’t good for health. We can’t get good g___2__ if we have bad health. We should do something we like. Some people like singing, taking photos and drawing p__3__. Other people prefer collecting stamps, reading or shopping. I have a few hobbies, but my f___4___ is collecting stamps. I like it best because I can learn a lot from stamps.

Some people collect stamps because they can m__5__ money from the stamps. But I am just i__6__ in collecting them and enjoy looking at them when I am free.

Stamp collecting is becoming more and more p__7__ all over the world. I know an Australian boy and a French girl through the Internet. They both like collecting stamps. We show stamps to each other o__8__. That is cool.
查看答案
单项选择题

对于编辑屋顶说法正确的是（）

A.在立面或三维视图中，将光标移动到屋顶上，并按Ctrl键以高亮显示造型操纵柄使用造型操纵柄调整屋顶大小

B.编辑屋顶草图的方法是选择屋顶在状态栏上单击“编辑”

C.选择拉伸屋顶，并在选项栏中单击“剖切面轮廓”，可以剪切屋顶洞口

D.使用“拉伸屋顶”方法创建屋顶时，可在平面视图中绘制屋顶的轮廓并拉伸它
查看答案