【名词&注释】
安全问题(security problem)、环境容量(environmental capacity)、适应能力(adaptability)、共产主义(communism)、社会形态(social formation)、严重性(severity)、海平面上升(sea level rise)、历史唯物论(historic materialism)、平均温度(average temperature)、历史宿命论(historical fatalism)
[单选题]下列不属于二氧化碳引起的生态问题的是( )
A. 海平面上升(sea level rise)
B. 气候变暖
C. 气候带北移
D. 平均温度(average temperature)降低
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举一反三：
[单选题]The writer of the passage thinks that ______.
A. it is true to say artists fail in their work
B. it is untrue to say artists fail in their work
C. it is true to say some artists fail in their work
D. it is true to say only painters fail in their work
[单选题]下列有关种群容量的说法错误的是( )
A. 种群容量指的是一个有限的环境中所能稳定达到的最大数量
B. 温、光、水、养分等因子或食物、空间等资源所构成的环境决定了种群容量
C. 种群数量低于环境容量时，种群数量趋向于减少
D. 食性、行为、适应能力等种群的遗传特性也决定了种群容量
[单选题]I didn't expect that so many problems would_________during my absence.
A. rise
B. raise
C. arise
D. arouse
[单选题]Passage ThreeMore than 6,000 children were expelled (开除) from US school last year for bringing guns and bombs to school, the US Department of Education said on May 8.
A. The department gave a report to the expulsions (开除) as saying handguns accounted for 58% of the 6,093 expulsions in 1996—1997, against 7% for rifles (步枪) or shotguns and 35% for other types of firearms.
B. "The report is a clear sign that our nation's public schools are cracking down (严惩) on students who bring guns to school," Education Secretary Richard Riley said in a statement.
C. In March 1997, an 11-year old boy and a 13-year old boy using handguns and rifles shot dead four children and a teacher at a school in Arkansas. In October, two were killed and seven wounded in a shooting at a Mississippi school. Two months later, a 14-year old boy killed three high school students and wounded five in Kentucky.
D. Most of the expulsions, 56%, were from high school, 34% were from junior high schools and 9% were from elementary schools, the report said.
E. 41. From the first paragraph we can infer that in the US schools______.
F. students enjoy shooting
G. safety is a problem
H. students are eager to be solider.
I. students can make guns.
[多选题]心排血量多少取决于 （ ）
A. 心率
B. 后负荷
C. 前负荷
D. 参加收缩的肌纤维数目
E. 心肌的收缩能力
[单选题]肛管( )
A. 为直肠盆膈以下的部位
B. 位于肛提肌附着外以下
C. 肛门以上约2.5～4.0cm长的一段
D. 其内面有6～8条纵行皱襞，称肛柱
E. 以上都对
[单选题]生产力最大的生态系统类型是（ ）
A. 草原生态系统
B. 海洋生态系统
C. 淡水生态系统
D. 森林生态系统
[单选题]第 23 题 新民主主义社会属于（ ）
A. 资本主义体系
B. 民主主义体系
C. 社会主义体系
D. 共产主义体系
[单选题]“社会形态的发展是一种自然历史过程”这是一种
A. 历史宿命论(historical fatalism)观点
B. 机械决定论观点
C. 历史唯心论观点
D. 历史唯物论(historic materialism)观点
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