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【单选题】
异染色质的特点是（）A.
螺旋化程度高，无转录活性的染色质
B.
螺旋化程度低，无转录活性的染色质
C.
螺旋化程度高，有转录活性的染色质
D.
螺旋化程度低，有转录活性的染色质
E.
缩的染色质
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【单选题】How many____ are there in the kitchen? Only two.
A.
bag of rice
B.
bags of rice
C.
bags of rices
D.
bag of rices
【简答题】根据句意，用括号内所给词的适当形式填空，每空填一词。 1. The line outside was ________ (end), so we had to wait. 2. The students study many courses, ________ (include) Chinese, Maths, English, P.E. and Science. 3. English Class...
【单选题】— How many _____ are there in the kitchen? — Only two. [ ]
A.
bag of rice
B.
bags of rice
C.
bags of rices
【简答题】There
_ _on the table.A. is two bowls of rice B. is
two bowl of rice C. are
two bowls of rices D. are two bowls of rice
【简答题】Going green seems to be fad( 时尚 )for a lot of people these days. Whether that is good or bad, we can ’ t really say, but for the tow of us, going green is not a fad but a lifestyle. On April22, 2011, ...
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