兽药残留的来源以及兽药残留超标对人类健康造成的危害体现在那些方面?
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I __________ your concern , but honestly, I&39;m fine
A. appreciate
B. thank
C. like
D. enjoy
There were so many people talking that I couldn&39;t __________ on the music
A. play
B. talk
C. go
D. concentrate
Bread forms the __________ of their daily diet.
A. basis
B. basic
C. base
D. basement
关于先天性无阴道或阴道闭锁患者,以下哪项叙述是正确的
A. 本病发生率在1:50000左右
B. 卵巢发育正常
C. 第二性征不良
D. 一般不主张手术治疗
E. 子宫常正常