肥达试验可作为伤寒与副伤寒的辅助诊断.()
参考答案:对
I have got 50 points in the English exam.
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A.It is a pity .
B.Good luck
C.Congratulations
D.Thank you all the same.
倾伏褶皱的特征是()
A、褶皱轴面倾斜,
B、褶皱轴面水平,
C、枢纽水平,
D、枢纽倾伏