【单选题】—How much do the pencils cost? —Three pounds ______ pencils.
【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.
【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】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).
【单选题】单项选择。 Which of the two pencils ______ yours? [ ]
【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 .