题目内容

鸡蛔虫病，多大的鸡易感？

A. 10-20日龄
B. 1—2月龄
C. 3-4月龄
D. 5-6月龄
E. 7—8月龄

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病死鸡肠黏膜水肿，出血，有大量粟粒大小的结节。该病的初步诊断是（）。

A. 组织滴虫病
B. 鸡绦虫病
C. 毛细线虫病
D. 鸡球虫病
E. 鸡蛔虫病

绘制一个滚动球的动画。

Sales are ___________ recently, so we need a big marketing push to get them back on track.

A. slumping down
B. slumping behind
C. sipping about
D. slipping back

The Belt and Road Initiative ___________ in China, but it has benefitted countries well beyond its borders.

A. original
B. originality
C. originated
D. origin