2岁患儿，平时身体较弱，夜间睡眠时突然发生喉喘鸣、吸气性呼吸困难，出冷汗，面色发绀，呈窒息状1～2min后缓解，发作时及发作后均无声嘶及发热。颈、肺部听诊无阳性体征。首先应考虑为（）。
A.小儿急性喉炎
B.先天性喉喘鸣
C.小儿喉痉挛
D.癔症
E.气管、支气管异物
要到微信小程序或APP查看答案哦。
实在点不开答案，可以分享到微信，
在微信里面查看答案。
APP具体操作流程为：
I know you don't like spending time with strangers, .[ ]
A. too
B. either
C. neither
D. also
根据情景，把下面对话内容补充完整，使其意思连贯。
(P=Peter, an exchange student from the UK; W=Wang Tao, Peter's classmate)
W: Hi, Peter. Shall we play football after school?
P: 1______. But I would like to try something new.
W: Oh, what's that?
P: Table tennis. 2______.
W: Yes, we play it a lot. Can you play it?
P: No, I can't. I tried, but 3______.
W: Well, never mind. You can play football very well.
P: 4______ for saying so, but you must teach me how to play table tennis.
W: No problem. 5______.
P: Great. Every Friday after school.
在质量控制中，系统地整理分析某个质量问题与其产生原因之间的关系可采用______。
A．排列图法
B．因果分析图法
C．直方图法
D．控制图法
中风气虚血瘀，宜选用（）
A．桃红四物汤
B．血府逐瘀汤
C．复元活血汤
D．身痛逐瘀汤
E．补阳还五汤
软件危机的表现有哪些？