【单选题】为了保证国际航行的安全,各国运输企业在技术规范、航行程序、操作规则上必须统一。同时,为了便于航空公司间的合作和业务联系,______将世界划分为TC1,TC2,TC3三个大区。
【单选题】为保证国际航行的安全,各国运输企业在技术规范、航行程序、操作规则上必须统一,同时为了便于航空公司间的合作和业务联系,国际航空运输协会(IATA)将世界划分为三个航空运输业务区:T1区、T2区、T3区。下列属于T1区的国家是( )。
【多选题】Which of the following statements about the British Empire are True?
A.
It was an empire which covered the most area in the history
B.
It covered almost a quarter of the Earth's total land area.
C.
Its political,legal,linguistic and cultural legacy is widespread.
D.
It was often described as "the empire on which the sun never sets".
【单选题】21.个人计算机采用ADSL方式接入因特网,需要具备的硬件是( )
【单选题】指北针符号的圆用细实线绘制,其直径为()mm,指北针尾部的宽度宜为()mm。
【单选题】病人,男性,63岁。既往大便困难,3-4天一次,大便干结,无腹泻、便血,无冠心病史。此次突发腹部疼痛,伴停止排便排气,无呕吐。体格检查:腹部膨隆,以左下腹明显,可见巨大肠型,叩诊为鼓音,肠鸣音活跃,无移动性浊音,指诊直肠空虚,指套有血迹。为进一步诊断,可行哪项检查
【单选题】指北针符号的圆用细实线绘制,其直径为()mm。
【判断题】Benjamin Franklin was described as "master of each and mastered by none―the type and genius of his land.”