---DoesJohn
練習題2.64W
問題詳情:
---Does John ______ any soccer balls? --- Yes , he ______some.
, have , has , has , have
【回答】
B
知識點:一般疑問句
題型:選擇題
標籤:DoesJohn
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.已知各項均不為零的數列{an},定義向量.下列命題中真命題是( )A.若∀n∈N*總有cn⊥bn成立,則數...
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下列說法正確的是:( )A.1molN2的質量是14g B.H2SO4的摩爾質量是98gC.H...
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