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【单选题】
优良估计量是指( )A.
同时满足无偏性、有效性、一致性和充分性的估计量
B.
同时满足无偏性和有效性的估计量
C.
同时满足无偏性、一致性和充分性的估计量
D.
同时满足有效性、一致性和充分性的估计量
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【简答题】晶体管作为开关使用,是指它的工作状态处于__________状态和________状态。
【单选题】I’ve heard that you won a gold medal in the long jump, congratulations to you!
A.
Yes, I performed well.
B.
What are you going to do?
C.
Thank you.
D.
It’s very kind of you.
【单选题】任何的教育传播过程包含的要素有
A.
教育者、受教育者、媒体、教育信息
B.
教育者、受教育者、媒体、教育信息、编码、译码
C.
教育者、受教育者、媒体、教育信息、编码、译码、反馈与效果
D.
教育者、受教育者、媒体、教育信息、编码、译码、反馈与效果、噪声。
【简答题】晶体管作为开关使用,是指它的工作状态处于 ___________ 状态和 ___________ 状态。
【单选题】–Guess what? I got first in the oral English competition held in our city. _____ , Very good.
A.
Good luck.
B.
All the best
C.
Congratulations.
D.
So what?
【简答题】第二部分 情景交际 11. Speaker A : It’s a hot today. Why not go swimming? Speaker B:_____________ A: Well done! B: Congratulations! C: Good idea! 12. Speaker A : Who is that? Speaker B: ________...
【单选题】听力原文：M: Hello, Cindy. Congratulations! I hear you're getting married, When's the big day? W: Thank you. We're planning a June wedding, but we haven't picked a date yet. Q: What do we learn about the w...
A.
She will get married with the male speaker.
B.
She will get married this winter.
C.
She has got married for about six months.
D.
She has decided to marry in June.
【简答题】Congratulations on the great ________ you’ve made since last year. A) progress B) measure C) appointment D) sense
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