Work hard _____ you can succeed.
A.in order to
B.so that
C.for fear that
D.in case
B
下列穴位中,督脉和手足三阳经的交会穴是()。
A.百会
B.风府
C.大椎
D.水沟
E.至阳
3,6,6,9,9,12,12,( )
A.14
B.15
C.16
D.17