【多选题】机械化吊装设备中,履带起重机的工作特点有( )。
D.
除起重作业外,在臂架上还可装打桩、抓斗、拉铲等工作装置,一机多用
【单选题】In Darling's opinion, we should not send sensitive information to someone you can't trust so as to keep it unknown to others.
【简答题】Fill in each blank with the proper form of the wordgiven in brackets.You should not send ( person ) ____________ information such as your ID number via email.
【判断题】半自动售票机的日常运营操作不包括退卡退资
【单选题】What you should NOT do when one of your tourists is ill?
A.
If the patient agrees, send him/ her to the hospital immediately.
B.
Report the case to the office.
D.
O ffer medicine to tourist.
【多选题】在安装工程常用的机械化吊装设备中,履带起重机的工作特点有()