唐末王仙芝、黄巢大起义之前的两次反唐起义（）和庞勋起义，揭开了唐末大起义的序幕。
参考答案：裘甫起义
女，57岁，颈部不适，CT如图所示，应诊断为（）。
A.咽囊囊肿
B.鳃裂囊肿
C.甲状舌管囊肿
D.颈部淋巴管瘤
E.颈部神经鞘瘤
A straight pipe 1 yard in length was marked off in fourths and also in thirds. If the pipe was then cut into separate pieces at each of these markings, which of the following gives all the different lengths of the pieces, in fractions of a yard ？（）
A.A
B.B
C.C
D.D
E.E
