乙类传染病()甲类传染病() A.霍乱 B.麻风病 C.艾滋病 D.流行性腮腺炎 E 发布时间:2019-03-16 12:45 │ 来源:www.tikuol.com 题型:配伍题 问题: 乙类传染病()甲类传染病()A.霍乱B.麻风病C.艾滋病D.流行性腮腺炎E.天花
题型:配伍题 给下列的问句选择合适的答语。( ) 1. What's the name of your city? ( ) 2. Is your home far from Beijing? ( ) 3. Do you live in a house?( ) 4. When did you come to Canada?( ) 5. Where are you from?A. I came on Sunday.B. I'm from China.C. My city is Zhangjiakou.D. No, it's very near.E. Yes , I do. 查看答案
题型:配伍题 如图甲所示,理想变压器原、副线圈的匝数比为10:1,R1=10Ω,R2=20Ω,C为电容器,已知通过R2的正弦式电流如图乙所示,则( )A.交变电流的频率为100HzB.原线圈输入电压的最大值为100VC.电阻R1的电功率约为20WD.通过R3的电流始终为零 查看答案