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【单选题】
The writer can' t fully trust e-shopping because____A.
a few e-shoppers sell low-quality goods and cheat customers of money
B.
the goods In e-shops are too expensive for customers to buy
C.
there are few choices of necessities for people to make
D.
some people have turned to a new platform. for e-shopping
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【单选题】对下列程序段的执行结果描述不正确的是______。import numpy as npx0 = np.array([[3., 10, 500], [1., 30, 100], [2., 40, 300]])x1 = np.ones(len(x0)).reshape(-1,1)x = tf.cast(tf.concat([x0, x1], axis=1), tf.float64)pr...
A.
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B.
float64 (3, 4)
C.
float32 (4, 3)
D.
float32 (3, 4)
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