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【判断题】
压杆的长度系数μ与压杆的长度以及横截面的形状和大小有关。
A.
正确
B.
错误
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参考答案:
举一反三
【单选题】《至小丘西小石潭记》是()写的一篇山水游记。
A.
韩愈
B.
柳永
C.
苏轼
D.
柳宗元
【判断题】轮子作平面运动时,如轮子与地面接触点C的速度不等于零,即相对地面有滑动,则此时轮子一定不存在瞬时速度中心
A.
正确
B.
错误
【单选题】The teacher’s words helped the students gain () into the problem.
A.
ideas
B.
views
C.
insight
D.
understanding
【单选题】______ time went on, the teacher's words proved true.
A.
As
B.
While
C.
With
D.
When
【单选题】Why weren't the teacher's books good enough for Louis?
A.
The words were so hard.
B.
The words took up so much space.
C.
It took so long to read a book.
D.
It was difficult to read.
【单选题】John ___confidence not only from his teacher’s encouraging words but also from his success this time.
A.
came up to
B.
acquired
C.
promoted
D.
made out
【单选题】John __ confidence not only from his teacher’s encouraging words but also from his success this time.
A.
came up to
B.
acquired
C.
promote
D.
made out
【判断题】No es recomendable que un exportador acepte vender bajo las condiciones de la carta de crédito irrevocable confirmada pagadera a la vista.
A.
正确
B.
错误
【单选题】The teacher’s words left us _______ .
A.
think
B.
to think
C.
thought
D.
thinking
【单选题】After the teacher’s words,all the students in the class _________.
A.
1ooked very serious
B.
thought they would be rich
C.
began to think about their designs
D.
began to play games
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