67Ga炎症显像时,67Ga成人常用剂量是()
A.37MBq
B.185~370MBq
C.555~740MBq
D.740~925MBq
E.>925MBq
参考答案:B
操场的一边长为72米,原来每隔6米插一面彩旗,现在改为每隔9米插一面彩旗,如果起点的那面彩旗不移动,还有______面彩旗也不需要移动.
Simon is ______ of Sandy and Sandy is on Simon' right.[ ]
A. in the left
B. on left
C. in the right
D. on the left