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【判断题】
在真核生物转录起始复合物中,DNA调控序列多发挥反式调控作用。A.
正确
B.
错误
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反馈参考答案：
举一反三
【单选题】Parents are advised to take pressure_____a child and give him or her some encouragement before an exam.
A.
off
B.
over
C.
from
D.
to
【单选题】光电编码器在高速旋转测速中一般采用给定时间间隔T内对编码器的输出脉冲进行计数,这种方法测量的是_____,又称为M法测速
A.
最高转速
B.
瞬时转速
C.
平均转速
D.
最低转速
【简答题】动物细胞作为受体细胞进行外源基因的表达有何优点?
【单选题】Parents are advised to take pressure their chileren and give them some encouragement before an exam.
A.
off
B.
over
C.
from
D.
to
【简答题】动物细胞作为受体细胞进行外源基因的表达有何优点?
【单选题】(2013·潍坊市高三二模)Parents are advised to take pressure ________ their children and give them some encouragement before an exam.
A.
off
B.
over
C.
from
D.
to
【简答题】Miss Cheng will never forget her first visit to Canada ,________?
【简答题】Some parents in China are sending their children to kindergartens to take foreign language courses; with a view to developing their kids foreign language skills, even though they have to pay up to 40,...
【单选题】Miss Cheng will never forget her first visit to Canada, ( )?
A.
will she
B.
won't she
C.
isn't she
D.
wasn't she
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