单项选择题
A.rice B.rise C.lower D.hoist
介绍我自己（）A. tell me the way toB. have a restC. see a doct...
单项选择题介绍我自己（）
A. tell me the way to B. have a rest C. see a doctor D. introduce myself
检疫官员（）A.chief engineerB.sanitary officerC.second engine...
单项选择题检疫官员（）
A.chief engineer B.sanitary officer C.second engineer D.third enginer
港务局（）A. port stateB. port areaC . port controlD. port a...
单项选择题港务局（）
A. port state B. port area C . port control D. port authority
