心肺复苏的最佳给药途径是（）
A.静脉输液
B.静脉注射
C.肌肉注射
D.皮下注射
E.心内注射
参考答案：B
—I’m sorry, I shouldn’t have been so rude to you.
—You something not very nice to me, but that’s OK.
A．have said
B．had said
C．were saying
D．did say
简述现代农业家庭经营的特征。
