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【单选题】
下列关于物质性质的比较，不正确的是A.
金属性强弱：Na >Mg> Al
B.
原子半径大小：Na> S >O
C.
碱性强弱：KOH > NaOH > LiOH
D.
酸性强弱：HIO 4 >HBrO 4 > HClO 4
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举一反三
【单选题】tf.nn.relu([[-2., 1.], [0., 3.]])的计算结果是哪个?
A.
tf.Tensor([ 0. 1. 0. 3.], shape=(4,), dtype=float32)
B.
tf.Tensor([[ 0. 1.][ 0. 3.]], shape=(2,2), dtype=float32)
C.
tf.Tensor([ -2. 1. 0. 3.], shape=(4,), dtype=float32)
D.
tf.Tensor([ [-2. 1.][ 0. 3.]], shape=(2,2), dtype=float32)
【单选题】—What class are you in? —I’m in ____, ____.
A.
class Three; grade Seven
B.
Class Three; Grade Seven
C.
Grade three; Class seven
【单选题】—What class are you in? —I'm in ____ ____. [ ]
A.
Grade three; Class seven
B.
class Three; grade Seven
C.
Class Three; Grade Seven
【单选题】—What class are you in? —I'm in _____, _____. [ ]
A.
grade seven; class three
B.
class Three; grade Seven
C.
Class Three; Grade Seven
D.
Grade three; Class seven
【简答题】25里最多有______个2． 15个40的积里有______0．
【单选题】I'm so hungry. Please give me _______ to eat. [ ]
A.
three breads
B.
three pieces of bread
C.
three pieces of breads
D.
three piece of bread
【判断题】According to M. A. K. Halliday, the three metafunctions of language are experiential metafunction, interpersonal metafunction and discourse metafunction. ()
A.
正确
B.
错误
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