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【单选题】
如下图所示,齿轮 1 为输入齿轮,齿数为 8; 齿轮 2 为中间齿轮,齿数为 16; 齿轮 3 为输出齿轮,齿数为 24 齿,那么这一齿轮系的传动比是多少?
A.
1:3
B.
3:1
C.
2:1
D.
3:2
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【判断题】八进制转换成二进制:用 3 位二进制数代替每一位八进制数 例 (135) 8 =(001,011,101) 2 =(1011101) 2
A.
正确
B.
错误
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【单选题】(135)8转化为二进制数为( )。
A.
1011101
B.
101110100
C.
111101
D.
101110101
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【单选题】135转二进制
A.
1011 110
B.
1001 111
C.
1000 0111
D.
1101 110
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【判断题】检查职业生涯规划的执行实效,自己就可以了,没必要请老师和同学督促自己
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错误
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【单选题】A lot of Americans teenagers don't like street gangs, but they find themselves _____.
A.
get sucked in
B.
getting sucked in
C.
got sucked in
D.
sucked in
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【单选题】二进制数10000110转换为十进制数是多少?
A.
132
B.
133
C.
134
D.
135
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【单选题】It seems like Americans use credit cards for everything. It's a lot easier to spend money that you don't see, isn't it? Many Americans spend money that isn't even there and get deeper and deeper in de...
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make Americans get deeper and deeper in debt
B.
are likely to be abandoned by more Americans
C.
will soon become a symbol of American life
D.
will help solve potential financial problems
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【简答题】与传统的采购方式相比,电子化采购的主要优势?
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【单选题】Although many Americans move a lot ,they still _______and understand each other’s dialects.
A.
realize
B.
recognize
C.
persuade
D.
prefer
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【简答题】任何一种溶液对不同波长光的吸收程度是不同的，通常用（ [填空(1)] ）来描述。A. 光吸收曲线
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【判断题】八进制转换成二进制:用 3 位二进制数代替每一位八进制数 例 (135) 8 =(001,011,101) 2 =(1011101) 2
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【单选题】(135)8转化为二进制数为( )。
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【单选题】A lot of Americans teenagers don't like street gangs, but they find themselves _____.
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【单选题】二进制数10000110转换为十进制数是多少?
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132
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D.
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【单选题】It seems like Americans use credit cards for everything. It's a lot easier to spend money that you don't see, isn't it? Many Americans spend money that isn't even there and get deeper and deeper in de...
A.
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【简答题】与传统的采购方式相比,电子化采购的主要优势?
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【单选题】Although many Americans move a lot ,they still _______and understand each other’s dialects.
A.
realize
B.
recognize
C.
persuade
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【简答题】任何一种溶液对不同波长光的吸收程度是不同的，通常用（ [填空(1)] ）来描述。A. 光吸收曲线
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