大样本资料，估计总体率的置信区间可用
A．查表法B．正态近似法C．对数正态法D．百分位数法E．直接计算概率法
参考答案：B
仔细观察《唐朝对外主要交通路线图》（图在答题卡上）请将下列地点的英文字母代号填入对应的方框内
A. 唐朝都城：长安；
B．鉴真东渡到达的国家：日本；
C．玄奘西行取经到达的地区：天竺
To my surprise, the so-called “cheap” restaurant was ___ I expected.
A．as expensive as twice
B．as twice expensive as
C．expensive as twice as
D．twice as expensive as
