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【多选题】
心传导系A.
由特殊分化的心肌细胞组成
B.
窦房结是心的正常起搏点
C.
房室结位与右房室口之间的心内膜深面
D.
房室束把窦房结冲动传至房室结
E.
不受神经系统的调控
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皮皮学刷刷变学霸
举一反三
【单选题】The government __________ job it is to promote healthy eating is not doing enough to encourage parents to change their shopping and cooking habits.
A.
where
B.
which
C.
who
D.
whose
【单选题】Working conditions for clothing workers in Bangladesh are very poor. If countries refuse to buy clothing from Bangladesh in order to encourage change, the effect is likely to be that _______________.
A.
firms will be forced to comply and workers will be better off.
B.
firms will refuse to comply, but workers will be better off.
C.
firms will try to comply and workers will be worse off.
D.
firms will try to comply and workers will be better off.
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