皮皮学，免费搜题
登录
搜题
【单选题】
缓和曲线上某点的偏角应等于相应弧长所对中心角的( )。A.
2 倍
B.
1/2
C.
1/3
D.
2/3
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
【单选题】A bilingual secretary ( Line 4, paragraph 3 ) differs from other secretaries in that he or she can ________.
A.
operate a computer
B.
do the job efficiently
C.
speak two languages
D.
write official documents
【单选题】Why were there no phone calls before 4?
A.
The secretary was ont.
B.
The line was out of order.
C.
People didn't phone until 4.
【简答题】A bilingual secretary ( Line 4 , paragraph 3) differs from other secretaries in that he or shecan _________. [ A] operate a computer [ B ] do the job efficiently [ C ] speak two languages [ D ] write ...
【简答题】我馆针对专科生开设 选修课,课程采用多媒体授课和上机实习相结合的方式,主要教授文献检索知识及数据库使用方法。
【单选题】两样本率与总体率差别的假设检验的目的是:
A.
推断两个样本率有无差别
B.
推断两个总体率有无差别
C.
推断两个总体率的差别有无显著性
D.
推断两个样本率和两个总体率有无差别
E.
推断两个样本率和两个总体率的差别有无显著性
【简答题】A bilingual secretary(Line 4，paragraph 3)differs from other secretaries in that he or she call＿＿＿．
相关题目：