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【多选题】
下列关于焊条中间金属丝-焊芯表述正确的是
A.
分解出气体保护焊接区域
B.
与焊钳-电源连接,导电形成通路
C.
熔化形成熔渣保护焊接区
D.
熔化形成液态金属,填充焊缝
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参考答案:
举一反三
【判断题】强化可分为三大类型:正强化,负强化和自然消退。()
A.
正确
B.
错误
【简答题】阅读理解 Every country has its own way of cooking. American people have their way of cooking, don't they? Most people in the United States like fast food, but if you think that American people don't like ...
【简答题】Its basic cooking include soaking and (蒸) .
【简答题】Every country has its own way of cooking.Ameri can people have their own way of cooking,don't they?Most people in the United states like fast food,but if  you think that American people don't 1 ike co...
【单选题】Its basic cooking include frying.
A.
way
B.
style
C.
skill
D.
technique
【单选题】The restaurant is frequently______by tourists because of its famous cooking.
A.
patronized
B.
serviced
C.
utilized
D.
congregated
【判断题】Prototype is the basic form. of a concept with its characteristic features.()
A.
正确
B.
错误
【单选题】函数性态最好的方法是( )。
A.
linear
B.
nearest
C.
pchip
D.
spline
【多选题】激励强化理论中,根据强化的性质和目的,强化可分为( )两大类型。
A.
物质强化
B.
正强化
C.
精神强化
D.
负强化
【单选题】量测工件之斜角角度,可用何种量具?()
A.
游标卡尺;
B.
角度规;
C.
分厘卡;
D.
直角规。
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