28岁，女，手颤、心悸、多汗1年，近5天发热，咳嗽，今日突然恶心、呕吐、大汗淋漓来诊，应想到的诊断为（）。

A.神经官能症

B.休克

C.甲亢危象

D.虚脱

E.上呼吸道感染

根据文章大意及首字母，用适当的词完成短文（共6小题，每小题1分，满分6分）

Xiao Ming knows English plays an important 小题1:r_______in today's world. So he works hard to enlarge his vocabulary, for he believes that the more English words he learns, the better his English will be. And his English is improving rapidly because of his hard work.

In this year's summer holiday, he went to the UK, where he grasped every 小题2:o_____to speak to the小题3:n_____English speakers. He tried to speak English with British 小题4:a_______ . He also found that sometimes the Britons and the Americans use different words for the same thing. For example, the Americans say gas, 小题5:e_______ ,apartment and candy, while the Britons say petrol, lift, flat and 小题6:s______.