A、does
B、is
C、do
D、did
在HIS上出现”OFFSCALE”信息,表示:().A、地图超出HIS的显示范围B、TCAS超出HIS的显示范围C、气象雷达超出HIS的显示范围
点击查看答案
I must have thrown away ( ) by mistake.A、his’B、hisC、he’sD、he
I am hungry. So ______ he.A、doesB、isC、doD、did
在Windows下,下列文件名中正确的一个是()。A、teacher and studentB、teacher:studentC、teacher/studentD、teacher?student
Teacher：Where is Mike this morning?Student：He's got a cold.Teacher：______A、He is absent.B、What's the matter with him?C、Just tell him to take it easy.D、What? Where is he?
设串s="I am a teacher.’,则s的第8个字符起、长度为7的子串为()。A."teacher."B."teacher"C."a teacher"D."teacher"
You are signing on a deck officer，who will be designated as one of the GMDSS operators，before sailing foreign．Which statement is TRUE ________．A.He/she must have an STCW certificate endorsed as“Valid for Service on Vessels Operating in the GMDSS System”B.He/she must present either an FCC-issued license or a Coast Guard-issued licenseC.You must consult the“List of Qualifications”on the reverse of his/her FCC-issued licenseD.His/her Merchant Mariners Document must have an added endorsement as “Radio Electronics Officer”
