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【单选题】
电路中测得三极管的三个电极的对地电位如图，其中三极管工作在放大状态的是图（ ）A.
A
B.
B
C.
C
D.
D
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【简答题】对照说明填写下列的对应轨道。 可以放置视频素材或者字幕素材。 可以放置视频音频素材或字幕素材。 可以放置音频素材。
【简答题】选择适当的单词或词组填空。 continued; broke down; was trapped; in a hurry; slowly My mother had an accident last Thursday. She 1 in her car for 20 minutes! It was a cold day. And the snow was heavy. She was drivin...
【简答题】A. away B. breakfast C. nipple D. ax E. giggled F. kill G. pigs H. cheeks I. named J. armed K. controlling L. stared M. runt N. honked O. off P. climbed Q. crying Where's Papa going with that 1_____?"...
【简答题】对照说明填写下列的对应轨道。 可以放置视频素材或者字幕素材。 可以放置视频音频素材或字幕素材。 可以放置音频素材。
【简答题】English is a colonial language, and it continued to be the official language after independence in virtually all African countries that were under British rule. In some cases it was retained to avoid ...
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