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【单选题】
按离散型变量分组时,相邻两组的组限( )。
A.
必须重叠
B.
必须间断
C.
可以重叠可以间断
D.
只能设计成单项式
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【单选题】We can see the sun ________ day, but we can't see ________ night. [     ]
A.
in, at
B.
in the, at
C.
in, at the
D.
at, in the
【单选题】. It is only when we cannot see clearly _____ we come to see ______ important our eyes are.
A.
that; what
B.
which; what
C.
that; how
D.
which; how
【单选题】We won’t see any flowers until May .
A.
We will see flowers only in May.
B.
We won’t see flowers after May.
C.
We will see flowers before May.
D.
We will see flowers when May comes.
【单选题】促销的实质是()。
A.
促进销售
B.
增加利润
C.
传播与沟通信息
D.
增强竞争力
【判断题】生活不能自理的老人进食时不应速度缓慢少量多餐
A.
正确
B.
错误
【判断题】生活不能自理的老人进食时不应速度缓慢少量duocan
A.
正确
B.
错误
【简答题】简述要约及有效要约必须具备的条件
【简答题】Besides those, what can we see through television? We still can see political______ and the latest exciting ______.
【简答题】When we can see well, we do not think about our eyes often: It is only when we cannot see perfectly that we come to see how important our eyes are. People who are nearsighted(近视的) can only see things ...
【单选题】以下不属于要约成立的有效条件的是( )。
A.
要约必须有明确的有效期限
B.
要约的内容必须完整、确定
C.
必须具有明确的订约意图
D.
必须传达受要约人才能生效
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