皮皮学,免费搜题
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搜题
【单选题】
随手使用的手纸、饮料瓶等垃圾应该如何处理?
A.
扔桌子上
B.
扔地上
C.
交给老师
D.
扔垃圾桶
拍照语音搜题,微信中搜索"皮皮学"使用
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举一反三
【单选题】The teacher has failed to ________ his students to read more.
A.
complex
B.
compare
C.
concern
D.
convince
【简答题】A teacher has a wide (vary) ______of duties.
【简答题】What if a child has poor chemistry with the teacher?
【简答题】请列出影响课程发展的内外因素
【判断题】AOE网中一定只有一条关键路径。
A.
正确
B.
错误
【简答题】载波监听多路访问/冲突检测的原理可以概括为先听后发,(),冲突停发,随机重发。
【判断题】在AOE网中一定只有一条关键路径。
A.
正确
B.
错误
【单选题】Only when __________________ permission _______________ allowed to enter the lab.
A.
a teacher has given; are the students
B.
has a teacher given; are the students.
C.
has a teacher given; the students are
D.
a teacher has given; the students are
【判断题】在 AOE 网中一定只有一条关键路径.
A.
正确
B.
错误
【简答题】当电动机低于额定转速时应采用恒转速方式调速。( )