Before work is commenced（）,the officer responsible should inform the duty en-gineer to ensure that steps are taken to reduce as far as practicable the emission of steam, harmful gases and fumes.
1、If the officer on watch is in any doub
If the officer on watch is in any doubt as to the pilot’s actions，or intentions，he should （）.Anotify the Captain as soon as possibleBseek clarification from the pilotCtake action by his own judgmentDcease the duty of pilot's at once
2、● Office （74） is the application of th
● Office （74） is the application of the computer and communications technology to improve the productivity of office workers.（74）A ToolB AutomationC DeviceD FAX
3、The offer is firm subject ____ before
The offer is firm subject ____ before October 1.A for your reply reaches usB for your reply reaching usC to our receiving your replyD to your reply reaching us
4、Office( )is the application of the com
Office( )is the application of the computer and communications technology to improve the productivity of office workers．AToolBAutomationCDeviceDFAX
5、Before you leave the office，＿＿all ligh
Before you leave the office，＿＿all lights are out.Asee whichBseeing thatCto see thatDsee to it that
6、Alex works harder than （） in the offic
Alex works harder than （） in the office.Aevery elseBanyone elseCeveryoneDanyone