1. [单选题]胃位于人体（）
A. 右上腹部
B. 左下腹部
C. 左上腹部
D. 中腹部
2. [单选题]Which of the following reasons represents why the designed compression ratio of a gasoline engine is lower than that of a diesel engine?
A. compression must be low for effective spark ignition
B. compression must be low for required horsepower and torque generation
C. compression must be low to prevent pre-ignition
D. compression must be low to have effective pre-ignition
3. [单选题]直航船应包括：I、帆船条款中规定的直航船；II、追越条款中的被追越船；III、船舶之间的责任条款中规定的直航船；IV、互见中不应初妨碍的船舶
A. III
B. II、III
C. I、II、III
D. I、II、III、IV
4. [单选题]船舶在顺风或大风浪中航行都必须适当减小油门，其目的是不同的，顺风限制( )，大风浪限制( )。
A. 超转速/超负荷
B. 超负荷、防止飞车/超转速
C. 超转速/超负荷或飞车
D. 超机械效率/超转速或飞车
5. [单选题]Which information is not given in the text?
A. Ship recycling contributes to sustainable development
B. The IMO believes that making an international instrument to regulate the ship recycling process is urgently in need
C. An international convention on ship recycling has been adopted
D. The IMO has taken action to develop an effective solution to the problem of ship recycling
6. [单选题]泵的机械效率是指( )。
A. 实际流量与理论流量之比
B. 实际扬程与理论扬程之比
C. 有效功率与轴功率之比
D. 传给液体的功率与输入功率之比
7. [单选题]A sudden power loss from a turbocharged and after-cooled diesel engine is an indication of a/an
A. turbocharger malfunction or failure
B. crankcase exhauster overload
C. overload on the intercooler
D. obstruction in the engine cylinders
8. [单选题]糖尿病人(diabetic patients)典型临床症状是______。
A. 多饮、多食、多尿体重减少
B. 体重增加、口渴、多尿
C. 仅有体重减轻和少尿
D. 以上均不对
9. [单选题]从事清除水雷作业的船舶在航时，应＿＿＿＿。
A. 显示“红、白、红信号灯”因为该船是一艘“操限船”
B. 按机动船(motor vessel)显示号灯并另应显示三盏品字型环照红灯
C. 只有处于在航对水移动时，才应显示三盏品字形照绿灯以及“机动船(motor vessel)”的桅、舷、尾灯
D. 以上三者都不对
10. [单选题]船舶污染物接收单位接收船舶污染物，应当向船舶出具污染物接收单证并由()签字确认。
A. 船长
B. 大副
C. 大厨
