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- 食品安全员
答案:
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1.3 .L CAT
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2.Cat cat = (Cat)new Dog();
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3.A.n=1,l=1,m=0B.n=2,l=0,m=±1C.n=3,l=3,m=±3D.n=4,l=3,m=±2
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4.A.Up the cat jumped B.Up jumped the cat C.The cat up jumped D.Jumped up the cat
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5.l 3(2)→=2222
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6.A.n =4 , l =3B.n =3 , l =2C.n =2 , l =1D.n =5 , l =0
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7.L = [1, 3, 5, 7, 9] L.pop(-3) L.remove(L[0]) print(L)
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8.What color is the cat?A、It is a black cat.B、It is black cat.C、The cat is black.D、Black cat it is.
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9.Is it a cat?
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10.dr(3)∫x√l lnx