问题 单项选择题

在编译程序中,语法分析的方法有自顶向下分析和自底向上分析。自顶向下分析方法从文法的开始符号出发,判断其能否 (151) 出输入符号串。采用自顶向下分析方法时,要求文法不含有 (152) 。自底向上分析方法自左向右扫描输入符号串,通过 (153) 分析其语法是否正确。例如, (154) 就是一种自底向上的分析方法,与其它自底向上分析方法不同,它是根据 (155) 来进行归约的。

A.归纳
B.归约
C.推理
D.推导

答案

参考答案:D

阅读理解

Section B

Directions: Read the following three passages. Each passage is followed by several questions or unfinished statements. For each of them there are four choices marked A, B, C and D. Choose the one that fits best according to the information given in the passage you have just read.

(A)

Margie Bland remembers the phone call from Iraq sometime before Christmas. Her son, Army specialist Joseph Darby , a military police officer in the reserves(not full – time soldiers), was on the phone and she could tell something was wrong.

Darby , 24 , would later come out as the soldier who first alerted the world to the abuse of Iraqi prisoners by US guards at Abu Ghraib prison in Baghdad on January 13. “I could tell in his voice he was not sleeping.” Blank , 45, recalls. “He said ‘I don’t fell good.’” Darby was feeling bad about something he thought was very wrong. “It was really hard on him”, his mother said. “He didn’t want to go against his troops, but he said he could not stand the cruelty he had discovered . He said he kept thinking , ‘What if that was my mum, my brother or my brother or my wife?’” Darby slipped an anonymous note under a military investigator’s door in January, about the mistreatment of prisoners. He later turned in a CD-ROM with 1,000 photos documenting the cruelty, according to a recently disclosed internal Army report. “I told him, ‘Your picture is in the paper, ’” Blank said. “I said, ‘Honey , you did a good thing and good always triumphs over evil ’ And he said, ‘You’re right, mum.’”

Darby grew up in western Pennsylvania, US To help his family, he worked at a fast food restaurant as a teenager and as a mechanic after graduating from high school. He thought the Army might lead to a better life—even a college education. So, like many others, he ended up in Iraq.

65.How did Darby feel when he found the abuse of Iraqi prisoners?

A.Excited                  B.Terrible                  C.Pleased            D.Angry

66.Darby joined the army to________

A.travel around the world for free     B.support his family

C.improve his life                      D.occupy Iraq

67.The purpose of writing the passage is to_______.

A.criticize the US troops for their wrong doings in Iraq

B.discuss whether Darby should disclose the abuse of Iraqi prisoners

C.tell the life about Iraqi prisoners

D.show how Darby behaved in face of the abuse of Iraqi prisoners

单项选择题