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Part One Q1-12 You will hear three telephone conversations or messages. Write one

Part One Q1-12 You will hear three telephone conversations or messages. Write one or two words or a number in the numbered spaces on the notes or forms below. After you have listened once, replay each recording. 音軌 2-02 到 2-03 Conversation One Q1-4 Look at the note below. You will hear a man calling a colleague about making changes to his schedule. JACKSON’S ASSOCIATES Telephone Message Caller: James Horrocks Date and time of call: 6 th April 9.45 am Message RESCHEDULE MORING: The meeting with John Row() __________________________ to Freda Bell.
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試判斷下圖所示交流通路中,哪些可能產(chǎn)生振蕩,哪些不能產(chǎn)生振蕩。若能產(chǎn)生振蕩,則說明屬于哪種振蕩電路

答案: (a) 不振。同名端接反,不滿足正反饋; (b) 能振。變壓器耦合反饋振蕩器; (c) 不振。不滿足三點(diǎn)式振蕩電路的組成法則; (d) 能振。但 L 2 C 2 回路呈感性, w osc < w 2 , l 1 c 1 回路呈容性, w osc > w 1 ,組成電感三點(diǎn)式振蕩電路。 (e) 能振。計(jì)入結(jié)電容 C b ¢ e ,組成電容三點(diǎn)式振蕩電路。
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編程,鍵盤輸入兩個(gè)整數(shù),求其中的大者

答案: #include void main() { int a,b,max; printf("請(qǐng)輸入兩個(gè)整數(shù),之間用逗號(hào)分隔:"); scanf("%d,%d",﹠a,﹠b); if(a>b) max=a; else max=b; printf("max=%d",max); }
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