下列变化属于化学变化的是[ ] A.牛奶酸败 B.冰雪融化 C.试管破裂 D.干

题型:选择题

问题:

下列变化属于化学变化的是[ ]

A.牛奶酸败

B.冰雪融化

C.试管破裂

D.干冰升华

考点:物理变化和化学变化的特征和判别
题型:选择题

阅读了上面的这篇“The students’ vacation plan”之后,结合以下信息写一篇短文:

你们一家人打算1月20号坐飞机去北京度寒假,用时大约3小时;停留1个星期;去长城等地方参观、照相;还会认识一些新朋友;北京很美、食物美味、人也好;你们将在那里度过一个愉快的假期。

作文要求:

1、不能照抄原文;不得在作文中出现学校真实的名称和学生的真实姓名。

2、内容必须具体、合理;语句连贯;条理清楚     3、词数80左右。

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题型:选择题

国内某手机生产企业将目标顾客定位于年轻购买者群体,专门生产具有较强娱乐功能的智能手机产品,取得了良好的市场效果。该企业以控股的形式,获 取另一手机生产商60%的股权,企业实力明显加强。为增加经营收入,该企业以贴牌生产的形式与某国际知名手机生产商建立战略联盟,生产新型智能手机产品。 新型手机产品方案共有甲产品、乙产品、丙产品和丁产品四种可供选择。每种产品方案均存在着畅销、一般、滞销三种市场状态。每种方案的市场状态及损益值如下 表所示:经营损益表 单位:万元

若根据折中原则进行新型手机生产决策(最大值系数α=0.7),四种产品方案中,可使该企业获得最大经济效益的方案为()。

A.甲产品

B.乙产品

C.丙产品

D.丁产品

题型:选择题

头皮银屑病与头癣的鉴别诊断要点是()

A.鳞屑性红斑

B.伴有身体其他部位皮损

C.自觉症状

D.真菌学检查

题型:选择题

在可行性研究中,不属于财务评价内容的是()。

A.项目投资现金流量预测

B.项目对国民收入贡献

C.投资方案财务评价

D.融资方案财务评价

题型:选择题

Robert Moody, 52, is an experienced police officer. Much of his work involves dealing with (16) and gang (团伙)problems in the schools of his community. Knowing that many kids often (17) trouble, he decided to do something about it. So in 1991 he began to invite small groups of kids to go fishing with him on his day (18) .

Those fun trips had a(n) (19) impact. A chance encounter in 2000 proved that. One day, (20) working security at a school basketball game, Moody noticed two young guys (21) . He sensed trouble between them. (22) one of them headed toward Moody and gave him a hug. "I (23) you. You took me (24) when I was in fifth grade. That was one of the (25) days of my life. "

Deeply touched by the boy’ s word, Moody decided to create a foundation (基金会)that (26) teenagers to the basics of fishing in camping programs. "As a policeman, I saw (27) there was violence, drugs were always behind it. They have a damaging (28) on the kids," says Moody.

By turning kids on to fishing, he (29) to present an alternative way of life, "When you’ re sitting there waiting for a (30) ," he says, "you can’t help but talk to each other, and such (31) can be pretty deep. "

"Talking about drugs helped prepare me for the peer(同龄人)pressures in high school," says Michelle, 17, who (32) the first program. "And I was able to help my little brother (33) drugs. "

Moody faces (34) in three years, when he hopes to run the foundation full-time. "I’ m living a happy life and I have a responsibility to my (35) to give back," Moody says. "If I teach a kid to

fish today, he can teach his brother to fish tomorrow. \

16().

A. drinking

B. drug

C. security

D. smoking

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