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【简答题】
fall into three categories
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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
【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。
【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
【单选题】Every classroom has a teacher's desk ______ the classroom. It's for the teacher. [ ]
A.
in front of
B.
behind
C.
beside
D.
in the front of
【简答题】当电动机低于额定转速时应采用恒转速方式调速。( )
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