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【单选题】
已知c'd' //0X,cd//OX,则CD直线为( )。A.
水平线
B.
正平线
C.
侧垂线
D.
一般位置线、
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反馈参考答案：
举一反三
【简答题】高度为6的完全二叉树至少有 ( ) 个结点。
【单选题】— ? — It costs us ten thousand dollars.
A.
How many does the printing of the annual report cost
B.
What does the printing of the annual report make
C.
How much does the printing of the annual report cost
【单选题】According to the report, people in the ________ areas are rebuilding their homes and many roads ________ to the area have been repaired.
A.
flooded; lead
B.
flooding; leading
C.
flooding; to lead
D.
flooded; leading
【简答题】简述人类学习和动物学习的区别。
【简答题】高度为 6 的完全二叉树至少有 ______ 个叶子结点。
【简答题】According to Boese, many people believed the report of Swiss spaghetti harvest because the British did not know ______.
【简答题】动物学分类的主要依据是什么?
【简答题】人类学习和动物学习没有本质区别。
【简答题】近年兴起的动物学分类方法有哪些?
【单选题】Written in a hurry, ____. How can it be satisfactory? [ ]
A.
they find many mistakes in the report
B.
lots of mistakes have been made in the report
C.
there are plenty of mist akes in the report
D.
the report is full of mistakes
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