【简答题】鸭传染性浆膜炎的实验室诊断方法是A.包含体检查 B.平板凝集试验 C.血凝抑制试验(HI) D.鸡胚干扰试验 E.抗力诱导因子试验 传染性支气管炎常用的实验室诊断方法是A.包含体检查 B.平板凝集试验 C.血凝抑制试验(HI) D.鸡胚干扰试验 E.抗力诱导因子试验 鸡产蛋下降综合征常用的实验室诊断方法是A.包含体检查 B.平板凝集试验 C.血凝抑制试验(HI) D.鸡胚干扰试验 E.抗力诱导因子...
【单选题】When you do your homework,you should be __________. [ ]
A.
as careful as you could
B.
as careful as possible
D.
as carefully as possible
【单选题】In the exam, the _____ you are, the _____ mistakes you'll make. [ ]
【简答题】解决热电偶参比端温度的恒定问题,加入( )。
【单选题】_________ you are, __________ mistakes you’ll make.
A.
The less careful; the less
B.
The less careful; more
C.
The more careful; the fewer
D.
The more careful; the more
【简答题】夏末,某养殖场笼养的10000只产蛋鸡,产蛋率突然下降,软壳蛋和畸形蛋增加。有些鸡消瘦,鸡冠苍白。剖检发病鸡,偶见输卵管黏膜水肿,其他脏器无明显病变。该病最可能的诊断是( )A、新城疫 B、禽流感 C、传染性支气管炎 D、产蛋下降综合症 E、笼养蛋鸡疲劳综合症 该病最常用的实验室诊断方法是( )A、细菌的分离培养 B、粪便虫卵检查 C、鸡胚接种 D、平板凝集实验 E、血凝抑制试验 (假设信息)如果...
【单选题】You know ______ you are, ______ mistakes you'll make. [ ]
B.
the more careful, the less
D.
the more careful, the fewer
【单选题】If the L/C simply stipulates an expiry date without a shipment date,it means that( ).
A.
two dates are not the same
B.
two dates are the same
C.
shipment date is earlier than expiry date
D.
expiry date is earlier than shipment date
【单选题】The ________ you are, the________ mistakes you’ll make.