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【简答题】
Write a C program to compute the perimeter and area of a rectangle with a height of 7 inches. and width of 5 inches. Expected Output : Perimeter of the rectangle = 24 inches Area of the rectangle = 35 square inches C programming: Perimeter of a rectangle A perimeter is a path that surrounds a two-dimensional shape. The word comes from the Greek peri (around) and meter (measure). The perimeter can be used to calculate the length of fence required to surround a yard or garden. For rectangles or kites which have only two different side lengths, say x and y, the perimeter is equal to 2x + 2y C programming: Area of a rectangle The area of a two-dimensional figure describes the amount of surface the shape covers. You measure area in square units of a fixed size, square units of measure are square inches, square centimeters, or square miles etc. The formula for the area of a rectangle uses multiplication: length • width = area . A rectangle with four sides of equal length is a square.
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举一反三
【简答题】高速铁路的主要经济技术特点的有速度___________、安全好、运能___________、能耗低、污染___________、占地少、造价___________、舒适度___________和效益好。
【判断题】陈万里先生开始发现了唐代的六朝瓷器。
A.
正确
B.
错误
【单选题】登门拜访他人时,以下哪种做法是正确的?
A.
未经主人邀请和许可,不进入卧室
B.
入座之后不能走动
C.
主动参观主人家里的摆设,自由进入各个房间
D.
随意翻看桌上的书籍、杂志
【单选题】Hillen used to be very shy, but she has grown________it now.
A.
without
B.
over
C.
away
D.
out of
【单选题】By saying that 'blues and jazz overlapped' (the first sentence of the last paragraph), the author means______
A.
blues developed in the same pattern as jazz did'
B.
the two music forms shared some features
C.
people can never tell one from the other
D.
jazz is the source from which blues evolved
【单选题】She has to be very because she hasn’t much money.
A.
economic
B.
economical
C.
economics
D.
economy
【单选题】Rhythm and blues, or R&B, is a【C1】______of music that came out of the jazz, blues and gospel music that was being【C2】______by African Americans【C3】______the 1930s and 1940s. Over the years, the term h...
A.
style
B.
form
C.
way
D.
group
【多选题】下列选项属于高速铁路主要技术经济特点的有()。
A.
速度快
B.
安全性好
C.
运能大
D.
能耗低和污染轻
【简答题】Blues music first became __________ with the American public in the nine twenties
【单选题】According to paragraph 4,which of the following statements is NOT true?
A.
She has to learn to repair sails.
B.
She has to be her own teacher.
C.
She has to be very fit.
D.
She has trained herself to sleep for about 20 minutes at a time.
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