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【单选题】
工件经一次装夹后所完成的那一部分工序称为()。A.
工位
B.
工序
C.
安装
D.
走刀
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【单选题】—How much do the pencils cost? —Three pounds ______ pencils.
A.
by two dozen of
B.
for two dozen of
C.
by two dozen
D.
for two dozen
【简答题】Fill out the blanks with the correct forms of words given. 1. I have every ______ in your ability to pass the exam. (Confident) 2. The ideology of the ______ of the fittest was developed by Darwin. (S...
【简答题】小明想用一个扇形纸片围成一个圆锥，已知扇形的半径为5cm，弧长是6πcm，那么围成的圆锥的侧面积是______cm 2 ．
【简答题】用所给词的适当形式填空。 1. There a book and two pencils on the desk.( be) 2. How many are there in your community? (clothes shop) 3. What about kites this afternoon? ( fly) 4.Lily's seat is behind ( I ) 5. Tianj...
【单选题】Pencils have the same unit cost regardless of the number sold, x pencils cost a total of $0.5, and n pencils cost a total of y dollar. Column A Column B n 2xy
A.
if the quantity in Column A is greater
B.
if the quantity in Column B is greater
C.
if the two quantity are equal
D.
if the relationship cannot be determined from the information given
【单选题】He has two pencils, _____ was given by his brother as a birthday present.
A.
the longer one
B.
the longer of which
C.
the longest
D.
one of them
【简答题】（本题满分14分） 某甜品店制作蛋筒冰淇淋，其上半部分呈半球形，下半部分呈圆锥形（如图）。现把半径为10cm的圆形蛋皮分成5个扇形，用一个扇形蛋皮围成锥形侧面（蛋皮厚度忽略不计），求该蛋筒冰淇淋的表面积和体积（精确到0．01）
【简答题】剪力墙在基础中直锚长度为( )
【简答题】某甜品店制作蛋筒冰淇淋，其上半部分呈半球形，下半部分呈圆锥形（如图）．现把半径为10cm的圆形蛋皮分成5个扇形，用一个扇形蛋皮围成锥形侧面（蛋皮厚度忽略不计），求该蛋筒冰淇淋的表面积和体积（精确到0.01）．
【简答题】小明想用一个扇形纸片围成一个圆锥，已知扇形的半径为5cm，弧长是6πcm，那么围成的圆锥的侧面积是( )cm 2 ．
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