若|-x|=2.4,则x等于( )
A.2.4
B.-2.4
C.±2.4
D.0或2.4
∵|-x|=2.4,
∴x=±2.4.
故选C.
—Johnny Depp is my favorite film star.
—You mean the one ________ acted in the film Pirates of the Caribbean? [ ]
A. which
B. who
C. whose
基因诊断及治疗的伦理原则应除外()
A.尊重病人的原则
B.知情同意的原则
C.有益于病人的原则
D.保守秘密的原则
E.创新至上的原则