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【多选题】内河船员申请海船船员适任证书时，不能申请考试评估的证书有：（）
A.
甲类船长
B.
乙类一等船长
C.
乙类二等船长
D.
丙类一等船长
E.
丙类二等船长
F.
丁类船长
【单选题】The old idea that child prodigies(神童)'burn themselves' or 'overtax their brains' in the early years, therefore, are prey to failure and (at worst)mental illness is just a myth．As a matter of fact, the...
A.
how many gifted children turned successful when they grew up.
B.
that bright children were unlikely to physically and mentally healthy.
C.
that gifted children were most likely to become bright grown-ups.
D.
that when the bright children grew up, they would become ordinary.
【单选题】下列关于认股权证筹资的表述中，正确的是（）。
A.
认股权证的执行价格，一般比发行时的股价低20%至30%
B.
认股权证筹资的灵活性较大
C.
认股权证的发行人主要是有实力的大公司
D.
发行附有认股权证的债券，认股权证筹资可以降低相应债券的利率
【单选题】王某和刘某就王某所享有的一项专利权的转让订立了书面合同，该专利权转让何时生效( )
A.
合同签订时生效
B.
当事人意思表示一致时生效
C.
经国务院专利行政部门登记和公告后方能生效
D.
刘某实际掌握该项专利权时生效