早期鉴别幼年强直性脊柱炎与其他关节炎最重要的检查是()
A.骶髂关节MRI
B.骶髂关节CT
C.红细胞沉降率
D.腰椎X线片
E.HLA-B27
参考答案:A
Some young people in America are expected to leave ______ could be life’s most important decision---marriage--- entirely up to luck.
A.which
B.that
C.what
D.as
从所给的四组选项图形中,选择最合适的一组,使之呈现一定的规律性。()
A.A
B.B
C.C
D.D