Learningtocopewithahealthproblemcancontributetoabetterlife.
港口设施系指()。①由缔约国政府或由指定当局确定的发生船／港界面活动的场所；②锚地；③候泊区；④进港航道等区域。
Xiao Ling works very hard. She ______ by the teachers.
（ ）领导全国武装力量。
What types of people were included in the research?
Is there ______________ to tell us ? No, nothing.
评估资料的主要来源是（）
下列哪项不属于船员的保安职责？
清理铝及铝合金工件后，存放时间在潮湿的环境下，一般不超过( )。
从性质上讲，消费者与经营者之间的消费者权益争议属于()。
----- Dad ，look at the building .It is on fire.
----- Call 119 ____________ mobile phone right now