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【单选题】
CJ20系列交流接触器是全国统一设计的新型接触器,容量从6.3A至25A的采用(D )灭弧罩的型式。A.
纵缝灭弧室
B.
栅片式
C.
陶土
D.
不带
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【简答题】I know how you must be feeling I feel very gulty. You look a bit down I feel better I'm very worried about her Mary: hello ,kim . Kim: Hi, Mary Mary: What is it?_________1____________ Kim: Oh, it's my...
【简答题】如果从不包括大小王的52张扑克牌中随机抽取一张，那么取到红心的概率是 ，取到方片的概率是 ，则取到黑色牌的概率是 ．
【单选题】When Mary discovered how treacherous the streets could be, she demanded that her boys stay close to her in the church gym and youth center, and the boys were as good as gold, listening to every word s...
A.
very naughty
B.
very obedient
C.
faithful
D.
patient
【简答题】选择适当的句子完成对话。 I know how you must be feeling I feel very guilty You look a bit down I feel better I'm very worried about her Mary is speaking to Kim about his problems. Mary: Hello, Kim. Kim: Hi, Mar...
【单选题】Mary could be a very attractive girl but she ______to her clothes.
A.
pays attention
B.
was paying no attention
C.
paid no attention
D.
had paid attention
【多选题】在光伏阵列将吸收的太阳辐射转换成直流电输出过程中，对光电转换效率的影响最为显著的两个因素是（）。
A.
辐照度
B.
组件温度
C.
阵列组合失配
D.
直流回路线路损失
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