题目内容
(请给出正确答案)
[单选题]
汤姆星期一不上学()
A.Sam goes to school on Mondays
B.Tom doesn’t go to school on Mondays
C.my goes to school on Mondays
答案
B、Tom doesn’t go to school on Mondays
如果结果不匹配,请 联系老师 获取答案
A.Sam goes to school on Mondays
B.Tom doesn’t go to school on Mondays
C.my goes to school on Mondays
B、Tom doesn’t go to school on Mondays
A.以学生为中心(StudentsCenteredEducation,SCE)
B.以产出为导向(Outcome-basedEducation,OBE)
C.以成绩为目标(GradeOrientedEducation,GOE)
D.持续改进(ContinuousQualityImprovement,CQI)
E.以知识点教育为主(Knowledge-PointBased,KPB)
单调谐放大器如下图(a)所示。中心频率f0=30MHz,晶体管工作点电流IEQ=2mA,回路电感L13=1.4μH,Q=100,匝数比n1=N13/N12=2,n2=N13/N45=3.5,GL=1.2mS,Goe=0.4mS,r'bb≈0,试求该放大器的谐振电压增益及通频带。
A.艾美·劳伦斯
B.玛丽·奥斯汀
C.格雷赛·米勒
D.罗宾逊