百日咳患儿护理措施，错误的是
A．保持室内空气新鲜
B．避免寒冷刺激
C．注意并发症的发生
D．保持呼吸道通畅
E．尽量让患儿多食
参考答案：E
Only when the war was over ____ return to his hometowns.
A have the soldiers B the soldiers C the soldiers did D did the soldiers
回转窑托轮装置的调整方法有（）种。
A.1
B.2
C.3
D.4
