【单选题】关于电子邮件书写礼仪正确的表述是( )。
【单选题】企业出租无形资产使用权取得的收入应计入( )
【单选题】—位旅游者在旅游定点商店看中一款丝缠,告诉导游员他需要头8英尺,导游员应该告诉售货员,这位旅游者需要约( )米。
【判断题】景区 (点)引导中,对于重点景观可采用动态的观景方式,组合性景观可采用静态的观景方式。
【单选题】Q3. Why do scientists worry if a human clone would be healthy?
A.
Because cloned animals are deformed.
B.
Because cloned animals can't produce offspring.
C.
Because cloned animals will have miscarriages.
D.
Because cloned animals might show health problems as they age.