______ in his studies, he didn't know that all the others had left.
A．Buried B．Burying C．Having buried D．Bury
A
【解析】
试题分析：考察形容词用法。本题中含有固定搭配be buried in…专心致志于…；这里的形容词buried是由动词bury转换的形容词。本句中的形容词短语buried in…是对句中主语he的情况进行的说明。句意：专心于学习，他不知道其他人都已经离开了。故A正确。
考点：考察形容词用法
点评：由分词转换成的形容词用法是形容词考查较多的内容。由过去分词转换的形容词常常用来修饰人或者与人有关的事物，如look, appearance等；由现在分词转换的形容词常常用来修饰事物。这样的形容词经常在句中做表语或者定语修饰名词，也可以在句中构成形容词短语对主句的情况进行说明。
科目：高中英语 来源： 题型：阅读理解
We feel sad that 22 primary school stu-dents in Central China's Henan province were wounded by a villager with mental health problems wielding a knife on Friday, the same day as 20 children and seven adults in the United States were shot dead by a gunman in Connecticut. While the school shooting in the US brings forth the topic of gun control, the tragedy in China points to the necessity of tightening security in schools, those in rural areas in particular.
This tragedy took place in a rural primary school in Guangshan county and the preliminary investigation shows that the culprit with a knife in his hand entered the school without anyone stopping him, and then he hacked his way from the first floor of the school building to the third floor.
It would have been extremely difficult to stop the gunman who shot the students in Connecticut, but it should have been possible to stop the man from attacking the school children in Guangshan.
The culprit might not have been able to enter the school had there been security guards, who were responsible
enough to stop him and ask his identity. But unfortunately there was not even a janitor, never mind security guards, at the school gate at the time, according to reports.
It might have been possible to subdue the culprit had teachers come to the defense of the students. It was reported that some boys blocked the door of their classroom and the attacker failed to cause any harm to students in that classroom. But where were all the teachers?
The ministries of education and public security required that local governments must arrange security guards at nurseries and primary schools two years ago when a series of similar tragedies occurred at kindergartens.
Now there are security guards in most urban schools. But apparently this rural village school had no one to guard the students from intruders. Neither was there any preventive measure in place, say a janitor or an alarm system, in case any intruder broke into the school.
The school principal and even the county leader will receive disciplinary punishments. But will all the rural school principals and local government leaders be made to discuss all the safety hazards children may face at school and then adopt preventive measures in advance? We shouldn't wait until another tragedy occurs.
71. Why does the writer mention the criminal cases both in China and in the US?
A. Because the two criminals belong to the same organization.
B. Because the two criminal cases are both shocking
C. Because the writer can prove that it ’ s more dangerous to live in the US
D. Because the writer may show it ’ s common for children to be killed by criminals.
72. The underlined word “ subdue ” in Paragraph 5 is probably closest to “ ________ ”
A. control the actions of B. make gentle in effect
C. keep safe from harm D. stay away from
73. According to the last paragraph, the writer will probably agree to _________.
A. punish the county leader B. discuss safety hazards with children.
C. set up preventive measures. D. see and wait for another tragedy
74. Which of the following could be the best title for the passage ?
A. Improve School Security B. Control Guns and knives
C. Stop Killing Children, Criminals D. Please Protect Our Children
75. After similar tragedies occurred at kindergartens two years ago, ________.
A. most urban schools began to have security guards
B. ministries of education and public security sent security guards to schools
C. security guards left rural village school for urban schools
D. gunmen in Connecticut of the US were insp
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