已知:x2-4x+y2+2y+5=0,则x+y=( )。
1
读句子,排序。
( ) Good morning. Where are you going this afternoon?
( ) At 3 o'clock.
( ) Buy a pair of shoes.
( ) When are you going?
( ) Good morning.
( ) What are you going to do?
( ) I'm going to the shoe store.
流行性出血热少尿期的治疗应特别注意 ()
A.限制静脉输液量
B.使用利尿药
C.纠正低血钠
D.止血
E.纠正心力衰竭