皮皮学，免费搜题
登录
搜题
【单选题】
There are two entities: department and staff. Each staff member can only belong to one department. A department can have more than one staff member. The type of connection between department and staff entity is ( )A.
m:n
B.
1:m
C.
m:1
D.
1:1
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【简答题】Some passenger might ______________ headaches, chest tightness, breathing difficulty, dizziness and ear ringing.
【简答题】Ladies and gentlemen, attention, please. Our train is going into high altitude areas. Some passengers might feel light uncomfortable. Some passenger 1 experience headaches, chest tightness, breathing ...
【简答题】突发新闻的采访准备和预知新闻的采访准备有什么不同?
【单选题】Some passenger might ______________ headaches, chest tightness, breathing difficulty, dizziness and ear ringing.
A.
experience
B.
claim
C.
inform
D.
declare
【单选题】目前，我国银行开出的进口信用证基本上时不可撤销议付信用证。信用证的第一付款人是______。
A.
开证申请人
B.
汇票出票人
C.
开证行
D.
开证申请人或汇票出票人
【单选题】Some passenger trains run as fast as 250 kilometers __hour in China.
A.
a
B.
an
C.
the
D.
/
【简答题】Passenger one has some in his pocket.
相关题目：