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【单选题】
某猪场3日龄仔猪,陆续出现腹泻症状,排出黄色浆液状稀便,含凝乳小片,部分死亡。剖检见十二指肠黏膜卡他性炎症。取病猪小肠前段内容物接种支康凯培养基,见圆形红色菌落生长,该病猪最可能患的疫病是(2010 真题上176)A.
猪痢疾
B.
仔猪白痢
C.
仔猪黄痢
D.
仔猪红痢
E.
沙门氏菌病
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【简答题】听音选词。 ( ) 1. A. now ( ) 2. A. put up ( ) 3. A. one ( ) 4. A. thin ( ) 5. A. rain B. snow B. put on B. sun B. think B. train C. show C. put down C. son C. wind C. raining D. slow D....
【单选题】— Must I wait for you here now? — No, you ____. You may be back in half an hour. [ ]
A.
don't have to
B.
mustn't
C.
can't
D.
shouldn't
【单选题】You must do your homework now; you ________ computer games all the evening.
A.
have been playing
B.
are playing
C.
play
D.
played
【单选题】Now that you have a job, you must exert (努力) yourself in ______ you do at work. [ ]
A.
however
B.
no matter what
C.
no matter how
D.
whatever
【单选题】The bottle is ____ for us to put the ball in it.
A.
small enough
B.
enough small
C.
big enough
D.
enough big
【简答题】现在分词 1. read _________ 2. swim _________ 3. put _________ 4. write _________ 5. begin _________ 6. run _________ 7. stop _________ 8. eat _________
【单选题】—Where is my dictionary? I remember I put it here yesterday. —You ________ it in the wrong place.
A.
must put
B.
should have put
C.
might put
D.
might have put
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