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【简答题】
某鸡场，采用滴鼻点眼法对7日龄鸡接种新城疫]Y疫苗，以刺激机体免疫器官产出局部黏膜免疫。该免疫器官是A.骨髓 B.胸腺 C.法氏囊 D.扁桃体 E.哈德氏腺 某鸡场，3鸡羽毛蓬松，排水样粪便。剖检可见腿肌、胸肌出血;此外还发现某免疫器官呈紫葡萄状。该免疫器官是A.骨髓 B.胸腺 C.法氏囊 D.扁桃体 E.哈德氏腺 某猪场，2月龄猪高热稽留。剖检病死猪可见回盲瓣口“纽扣状”溃瘍。对同群发病猪活体进行病原学检测时应采集的免疫器官是A.骨髓 B.胸腺 C.法氏囊 D.扁桃体 E.哈德氏腺
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【单选题】The pair of jeans looks nice _____________Sandy because she looks very nice ________blue.
A.
on, in
B.
in, on
C.
for, on
D.
to, in
【简答题】They were born in _____ (war) times and suffered from pains.
【单选题】( ) 3. -- ________ were Lily and Lucy born ? -- They were born in London on October 10 th .
A.
When
B.
Where
C.
When and where
D.
what
【单选题】This pair of jeans looks nice ____ Sandy because she looks very nice _____ blue.
A.
in , on
B.
on , in
C.
for , on
D.
to , in
【单选题】What a(n) ______ it is that they were born in the same year and on the same day!
A.
coincidence
B.
accident
C.
incident
D.
confidence
【判断题】Why were the people who came to California in the mid-1800s called forty-niners?Because they were born in the year 1849.
A.
正确
B.
错误
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