喷射性呕吐伴剧烈头痛 ()
A.急性肠炎
B.晕车
C.胆石症
D.脑炎
E.急性下壁心肌梗死
参考答案:D
解析:4.急性心肌梗死时由于迷走神经受坏死心肌刺激可出现恶心、呕吐。
The weather turned out to be fine. I the trouble to carry the umbrella with me.
A.should have taken
B.needn’t have taken
C.mustn’t have taken
D.could have taken
根据印度学者古普塔的研究,由爱情结合的夫妻,一般是在婚后( )年开始爱的情感减退。
(A) 3(B) 5(C) 7(D) 9