世界大城市主要分布在[ ] A、中纬地带 B、低纬地带 C、高纬度的沿海地带 D

（）负责查询、查复书、自由格式报文等业务的处理。

A.联行录入员

B.联行复核员

C.主管员

D.联行录入员和复核员的公共职责

“生命”是一个永恒的话题。请仿照下面的句式，把文段补充完整。

　　生命的美丽，永远展现在她的进取之中。就像大树的美丽，是展现在负势竞上、高耸入云的蓬勃生机中；像雄鹰的美丽，是展现在______________________________________；像江河的美丽，是展现在______________________________________

心肌梗死后施行择期手术应尽量延迟致心肌梗死后（）

A.3个月

B.4个月

C.5个月

D.6个月

E.12个月

12岁儿童由饮水含氟量0.3mg/L地区迁居至饮水含氟量1.2mg/L地区，氟牙症发生，的可能性为（）

A.0

B.20%

C.25%

D.50%

E.75%

Rapid application development (RAD) systems purport to lighten the developer’s (46) by making it easy to program an application with simple intuitive steps.

RAD tools (47) the developer everything needed to construct a fully functional application quickly and easily. They make short work of modifying the developed product to (48) changes after the program is finished. Applications developed with RAD tools are constructed as they are envisioned. As an application’s real usefulness (49) , the developer armed with RAD tools should be able to (50) on new features with little fuss.

（46）是（）

A.burden

B.trouble

C.task

D.weight