细菌、真菌和病毒的共同点是 [ ]
A.没有细胞结构
B.无成形的细胞核
C.生活一般为异养
D.生殖方式为分裂生殖
答案:C
用所给词的正确形式填空。
1. He used to spend much time _____ with his friend. (chat)
2. My mother was _____ of seeing the monkey. ( terrify)
3. The girl is used to _____ gum in her spare time. (chew)
4. Do you enjoy _____ TV at night? (watch)
5. The _____ problem is that we have no time to play computer games. (big)
女性,26岁,吸入冷空气后,突然出现呼吸困难,胸闷,咳嗽,查体:呼吸32次/分,呼气相延长,双肺可闻及弥漫性以呼气相为主的哮鸣音。
首先采取下列哪种治疗方法()
A.西地兰
B.沙丁胺醇气雾剂
C.吸氧
D.补液
E.青霉素