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【判断题】
方差分析法不能一次性检验多个总体均值是否存在显著差异。( )
A.
正确
B.
错误
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参考答案:
举一反三
【多选题】金属包装材料以其坚固性在包装材料中占有一定地位。金属包装主要有 ( )。
A.
马口铁材料容器
B.
铝罐
C.
喷雾罐
D.
铜罐
【判断题】在金属容器中,金属罐应用最为广泛,尤其是在食品和饮料包装中。
A.
正确
B.
错误
【单选题】Mr. Green is very happy because he is satisfied with his students’ work today.
A.
is moved by
B.
is good for
C.
is fond of
D.
is pleased with
【单选题】He is good at playing tennis. He can play it with( ).
A.
easy
B.
easily
C.
ease
D.
easing
【简答题】Alan is a schoolboy. He is good at all his subjects .He thinks computers can help him with his homework. So Alan wanted a computer last week. He asked his parents _ the money and they said he must get...
【简答题】He is good at dealing with problems and is very good at ____
【简答题】常见的人和动物的病毒病如______、______、______、______、______、______、______和______等。
【简答题】人和动物的基本组织有_________、_________、_________和_________等。
【简答题】当化验室收到装在金属桶内供测定全水分的试样时,首先应检查包装容器的()情况,不允许用放在有破损的包装容器中的试样做()。
【判断题】用气相缓蚀剂在密封包装容器中对金属制品进行防气处理主要目的是为了防霉腐。
A.
正确
B.
错误
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