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【单选题】
According to the passage what is unknown to many people is that ______.A.
the drip cup benefited light industry.
B.
the truth about carver was twisted or concealed.
C.
sugar-refining owes a lot to a Negro.
D.
a Negro invented the frying pan.
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举一反三
【单选题】How did Dorothea Dix first become aware of the mistreatment of insane people?
A.
Her grandmother treated the mentally ill.
B.
She worked in an insane asylum as a young woman.
C.
She taught Sunday school in a jail.
D.
She was asked to investigate the problem.
【简答题】A．颞支 B．颧支 C．颊支 D．下颌缘支 E．颈支 面部刀砍伤患者临床检查发现同侧额纹消失，考虑为哪一支面神经受损
【简答题】主梁的经济跨度一般为( ) ~ ( )米。
【简答题】某债券为一年付息一次的息票债券，面值为1000元，息票利率为8%，期限为10年，当市场利率为7%时，该债券的发行价格应为（ ）元。
【单选题】市场中存在一张面值为100、存续期为1年的固定利率债券，当前市场价格为102.9，息票利率为8%，每半年支付一次利息。则该债券的到期收益率为()。
A.
7%
B.
8%
C.
5%
D.
10%