搜题请搜索小程序“爱下问搜题”
问题 单项选择题

家禽维生素A缺乏时，下述说法不正确的是：（）

A.口腔、咽、食道和嗉囊黏膜上有白色小结节

B.生长发育不良

C.在饲料中添加鱼肝油会加重病情

D.会发生视觉障碍

答案

参考答案：C

选择题

__Waiter,what about my food?I________for over 30  minutes.

__Oh,sorry,sir.Just one more minute,please.[    ]

A．have waited 

B．was waiting

C．have been waiting  

D．had waited
查看答案
选择题

It’s said that there __________ an English report tomorrow afternoon.

A．will have

B．is going to be

C．is going to have

D．has
查看答案