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【简答题】
染色体的化学成分主要是DNA和（ ），其结构的基本单位是核小体。
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皮皮学刷刷变学霸
举一反三
【多选题】pick out the words that can properly describe "he" illustrated in para 8-9.
A.
philandering
B.
stealthy
C.
to womanize
D.
vengeful
E.
mean
【简答题】请将这句话 The output shaft is a splined shaft that connects directly to the drive shaft through the differential to the drive wheels of the car.翻译成中文。
【简答题】如果缺少什么?地球上所有生物将会全部灭绝，人类也不例外?
【多选题】pick out the words that can properly describe "he" illustrated in para 1.
A.
ingenious
B.
ill
C.
small
D.
glamorous
E.
poor look
【简答题】请翻译: The output shaft is a splined shaft that connects directly to the drive shaft through the differential to the drive wheels of the car.
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