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【单选题】
设备维护保养制度中“三会”是指（）。A.
会使用、会操作、会处理故障
B.
会操作使用、会性能原理、会排除故障
C.
会检查处理、会维护保养、会性能原理
D.
会操作使用、会维护保养、会排除故障
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【单选题】Mary doesn’t want to work right away because she thinks that if she ____ a job she probably wouldn’t be able to see her boy friends very often.
A.
has to get
B.
had got
C.
were to get
D.
could have got
【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（事件A）的概率是 ，取到方块（事件B）的概率是 ，问： （1）取到红色牌（事件C）的概率是多少？ （2）取到黑色牌（事件D）的概率是多少？
【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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