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【简答题】
三极管的输出特性曲线可分为三个工作区,分别为 饱和 区、 区、放大 区。
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举一反三
【简答题】My friend comes from—— north of the country.
【单选题】青藏高原被称为地球“第三极”的原因是( ) 1世界上海拔最高的大高原,为“世界屋脊” 2气候寒冷,与南北极相似 3空气稀薄,太阳辐射强 4多大江大河,淡水资源丰富
A.
①②
B.
②④
C.
①③
D.
③④
【简答题】被称为“地球第三极”的是
【单选题】My friend comes from ______. He speaks ______. [ ]
A.
France, France
B.
French, France
C.
France, French
D.
French, French
【简答题】Sally整理以下各句时，每句均出现了一处错误，请你帮她找出并在横线上改正。 1. — What is your grandmother? — She's fine, thank you. ( ) A B C D 2. — Who is that man, Peter? — Aha, he's my John uncle. ( ) A B C D 3. — Is there a...
【简答题】Directions: Use words in Part A in these sentences. 36. If you show a lot of _______, you will get on well in your job. 37. Chinese_______ is an important part of Chinese culture and is famous all ove...
【单选题】One of my friend comes from ______ south of ______ United States.
A.
the/the
B.
a/X
C.
X/X
【简答题】被称为地球第三极的是哪里？
【简答题】John is late today. I wonder if he has a problem. He is always ________ .
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