单项选择题
1、根据下面内容，回答题：
It was a case of emergency. The four-year-old girl awoke and smelled smoke. She couldn't wake her mother, so she dialed "zero". An operator immediately called the fire department. Help was sent,and a tragedy avoided.
Days before this emergency ,the mother had taught her child how to telephone for help. Children as young as two and one-half years old can be taught to use the phone in emergency situations. Here are some points.
Memorizing certain facts is important. Teach your children their names, and the section of town where you live. Try to keep what they learn within their abilities. Simple information, learned well,is better than difficult information only partly learned.
Be sure your children know how to use the telephone. They should be taught to dial "zero"for the operator, at the very least. And they should be taught to dial "911" if it is used in your town.~ Practice over a period of several days. Over-learning is necessary so the child can act auto-matically in case of emergency.
If you would like a booklet giving instructions on calling for help,write Telephone For Help,Box 99, Bowling Green Station, New York, NY 10004.
Based on this passage, over-learning is good because __________ .
A．simple information is used
B．children should know their names
C．it helps children act automatically
D．difficult information is only partly learned


2、 李清照的《声声慢》(寻寻觅觅)是（   ）
A．豪放词
B．田园词
C．婉约词．
D．风雅词


3、 摄影艺术是一门现代的（　　）
A．视听艺术
B．造型艺术
C．表现艺术
D．时间艺术


4、 We had a long telephone ________ yesterday evening.
A．dialogue
B．conversation
C．talk
D．speech


5、 甲、乙签订一买卖合同，但未约定先后履行顺序。在甲未交货时，乙可拒绝付款。乙享有的这种权利是（　　）。
A．同时履行抗辩权
B．后履行抗辩权
C．先履行抗辩权
D．不安抗辩权

6、 下列行为中，不属于侵害他人隐私权的行为是（　　）。
A．偷看某人的病例
B．公开宣读他人的情书
C．非法窥视他人私生活
D．为缉拿罪犯，公安局公布犯罪分子的自然情况


7、 小明的爸爸赠给小明一辆山地车，但附带了一个义务，要他在学校考得好成绩。小明才8岁，没有独立订立合同的民事行为能力，这辆车（　　）。
A．暂归其父母所有，待小明长大有行为能力时再把车的所有权转交给他
B．因爸爸给未成年人的赠与附有义务，赠与无效
C．因设定的义务无效，车归小明的父母
D．赠与有效


填空题
8、 生物在生存斗争中获得生存的对策，称为——。


9、  以为通解的二阶线性常系数齐次微分方程为_____.


简答题
10、

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