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【单选题】
最常见的染色体畸变综合征是A.
Klinefelter综合征
B.
Down综合征
C.
Turner综合征
D.
猫叫样综合征
E.
Edward综合征
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B.
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【单选题】He asked ______ for the violin. A.did I pay how much B.I paid how much C.how much did I pay D.how much I paid
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did I pay how much
B.
I paid how much
C.
how much did I pay
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how much I paid
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A.
How many
B.
How much
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How much kilos of
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How many kilos
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