中期引产术前准备不必要的是()。
A.血常规
B.凝血功能
C.肝肾功能
D.CT定位
E. * * 清洁度
参考答案:D
Taking care of children calls for your time, abilities, patience and emotions. _____, it is not a simple thing.
A.On the contrary
B.What's more
C.In conclusion
D.On the other hand
根据《通信建设工程安全生产操作规范》,从沟底向地面掀土,堆放在距离沟、坑边沿()以外,使土、石不致回落于沟内。
A.100cm
B.80cm
C.60cm
D.40cm