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【判断题】
食品生产经营者在采购食品及其原料时，应当按照国家有关规定索取检验合格证和化验单A.
正确
B.
错误
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【简答题】163×39-163×29．
【简答题】化学防治的优缺点有哪些？
【简答题】10000-1872÷8×29．
【单选题】to extend a 27128 for 8051, then the AB we need to use is( ).
A.
P0+P2.0~P2.3
B.
P0+P2.0~P2.4
C.
P0+P2.0~P2.5
D.
P0+P2.0~P2.6
【单选题】听力原文：When do we need to respond to the invitation? (A) It says as soon as possible. (B) I am invited there, too. (C) The party starts at 6 p. m. (17)
A.
B.
【简答题】Ruth is good at music．29． Ruth is good at music．
【简答题】化学防治的优缺点有哪些？
【单选题】To calculate radius of investigation,which two parameters' relationship we need to seek?
A.
r,c1
B.
r,P
C.
r,Pi
D.
r,t
【简答题】化学防治的优、缺点有哪些方面 ?
【简答题】Frank and Dale are friends．29． Frank and Dale are friends．
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