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补充词语。  

（    ）（    ）协力　众志（    ）（    ）　 博（    ）众（    ）  

（    ）学（    ）问　小（    ）大（    ）　（    ）（    ）倒置

答案

同   心    成    城    采    长    勤    好    题    做    轻    重

选择题

It was three o'clock _______ he came back from work.[ ]

A. since       

B. that       

C. before        

D. when
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填空题

  • (A) 条件(1)充分，但条件(2)不充分．
  • (B) 条件(2)充分，但条件(1)不充分．
  • (C) 条件(1)和(2)单独都不充分，但条件(1)和条件(2)联合起来充分．
  • (D) 条件(1)充分，条件(2)也充分．
  • (E) 条件(1)和条件(2)单独都不充分，条件(1)和条件(2)联合起来也不充分．

Joan had a total of $16.50 in her coin bank. How many quarters does she have
(1) The bank contains only quarters and dimes.
(2) There were 81 coins in the bank.
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