下列不是分支结构的语句是( )。
A．I..The..End IF
B．Whil..Wend
C．I..The..Els..Endlf
D．Selec..Cas..End Select
参考答案：B
解析： 本题考查控制结构的知识。选项A) 是一个单分支选择结构；选项C) 是一个双分支选择结构：选项D) 是一个多分支选择结构；选项B) 是一个循环结构。
| 完形填空。 | ||||
| The three youths leaned over the metal rails along the sea-wall and watched a few fishermen pull in their nets. About thirty metres away, a boat pulled alongside the slippery steps leading 1 to the sea. "Hey, look!" exclaimed Rahim. "Those two men are 2 heavy rocks. I thought we no longer do muscle labour in this technological 3 ." "You do not 4 a crane to unload less than a dozen rocks, do you? " smiled Joshua. "But those men do not 5 to have muscles at all ," said michacl,rather surprised,joshua smiled. "They are 6 laborers who know how to spread the weight of the rocks they 7 . See how the man positions the rock just at the slope of his 8 . Some of the rock's weight is set 9 his head, some on the right hand and some on the left hand. His body isn't bent. His legs are well 10 ." "You're right, Josh. He may have a small build. 11 he certainly well knows his job. Dear me! And to think we have been studying 12 !" Rahim thought about all that was happening. Suddenly, he said, "Technology won't 13 the human being completely, it appears." "I don't think it will." 14 Joshua. "You can harvest a crop of potatoes or wheat with one of those large, multi-purpose tractors, but you 15 use that equipment to harvest lea leaves and tomatoes, will you?" "You can get a computer to 16 multiple-choice assessments, but you cannot get the computer to produce of assess essays, can you?" asked Michael. "Well, the washing machine leaves my shirt collar quite as 17 as ever --- that's domestic technology for you!" said Rahim. "One day, perhaps, there won't be anybody 18 who can carry a large rock the way those men do. It's not going to be a very 19 world, I'm afraid." Sighed Michael. "You're too much of a pessimist (悲观主义者),Mike." Said Joshua." 20 will always be other things that will make the world exciting." | ||||
|