皮皮学,免费搜题
登录
搜题
【多选题】
南京航空航天大学图书馆有CNKI的以下哪几个数据库?()
A.
中国重要会议论文全文数据库
B.
中国博士学位论文全文数据库
C.
中国专利数据库
D.
中国期刊全文数据库
拍照语音搜题,微信中搜索"皮皮学"使用
参考答案:
参考解析:
知识点:
.
..
皮皮学刷刷变学霸
举一反三
【简答题】9-31 已知两方向同频率的简谐振动的运动方程分别为 , ,式中 的单位为m,t的单位为s.求: (1)合振动的振幅及初相; (2)若有另一同方向同频率的简谐振动 ,式中 的单位为m,t的单位为s,则 为多少时, 的振幅最大?又 为多少时 , 的振幅最小?
【单选题】He is now a teacher and a ( ) member of the community.
A.
respectful
B.
respecting
C.
respective
D.
respectable
【简答题】Mr Green is our foreign teacher . He is a good teacher . He often helps us a lot .And he is nice to every student . His lessons are very interesting . We usually have fun in his lessons . We all like ...
【简答题】两同方向同频率简谐振动的合成,已知振动方程分别为 则合振动的振幅为 cm
【简答题】根据短文内容,选择正确答案。 Sam is a teacher of maths. He is not young, but he is not old. He is 40 years old. He has a round (圆的) face and black hair. He is short. There are forty students in his class. They all ...
【单选题】He ________ in a foreign trade company for five years, but he now is a volunteer teacher in a village.
A.
had worked
B.
worked
C.
works
D.
has worked
【简答题】简述教育管理的特殊性。
【简答题】Mr Green is our foreign(外国的)teacher.He is a good teacher.He often helps us a lot.And he is nice to every student.His lessons are very interesting.We usually have fun in his lessons.We all like him. He...
【多选题】梁的腹板局部稳定不满足要求时可以采取( )方法
A.
增加板厚
B.
设置加劲肋
C.
增加侧向支撑
D.
增强约束
【简答题】简述教育管理区别于一般社会管理的特殊性。
相关题目: