Being in a foreign country, _______.

A．one may soon change his old habits

B．one’s old habits will soon be changed

C．there’ll be some change in his habits

D．one’s new habits will soon be formed

建筑工程施工安全技术

下列塔式起重机械中，多用于高层建筑、构筑物、高炉安装工程的塔式起重机为( )。

A．运行式塔式起重机

B．固定式塔式起重机

C．小车运行变幅式塔式起重机

D．上旋式塔式起重机