Small sailboats can easily turn over in the water _____ they are not managed carefully.

A. though
B. before
C. until
D. if
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科目：高中英語 來源： 題型：

Small sailboats can easily turn over in the water ______ they are not managed carefully.

A.though   B.before   C.until   D.if

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科目：高中英語 來源： 題型：

Small sailboats can easily turn over in the water ______ they are not managed carefully.

   A. though  B. before C. until   D. if

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科目：高中英語 來源： 題型：

  Small sailboats can easily turn over in the water ______ they are not managed carefully.

   A. though  B. before C. until   D. if

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科目：高中英語 來源：2007年高考試題（上海卷）解析版 題型：單項填空

 Small sailboats can easily turn over in the water ______ they are not managed carefully.

   A. though     B. before        C. until         D. if

 

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科目：高中英語 來源：上海高考真題 題型：單選題

Small sailboats can easily turn over in the water _____ they are not managed carefully.
[     ]
A. though
B. before
C. until
D. if

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科目：高中英語 來源： 題型：

Small sailboats can easily turn over in the water ______ they are not managed carefully.

A. though             B. before   C. until    D. if

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科目：高中英語 來源： 題型：

Small sailboats can easily turn over in the water ______ they are not managed carefully.

A. though　　　　 B. before　　　　　　　 C. until　 　　　　　　 D. if

 

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科目：高中英語 來源：2007年普通高等學校招生全國統(tǒng)一考試(上海卷) 題型：014

Small sailboats can easily turn over in the water ________ they are not managed carefully．

[　　]

A．though

B．before

C．until

D．if

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科目：高中英語 來源： 題型：

Small sailboats can easily turn over in the water　　　　　 they are not managed carefully.?

A.though　　　　　　　　 B.before　　　　　　　　 C.until　　　　　　 D.if

 

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科目：高中英語 來源： 題型：單選題

Beneath each of the following sentences there are four choices marked A, B, Cand D. Choose the one answer that best completes the sentence.Small sailboats can easily turn over in the water ______ they are not managed carefully.


  1. A.
    though
  2. B.
    before
  3. C.
    until
  4. D.
    if

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