用括号内所给动词的适当形式填空(必要时加助动词或情态动词)。 She has

题型:填空题

问题:

用括号内所给动词的适当形式填空(必要时加助动词或情态动词)。

      She has never learned any new words by heart but has a vocabulary of more than 10,000 words.

She(1)         (begin)to learn English when she was five and a half. And the most surprising thing is that

she(2)       (pass)CET-4(英语四级考试)before she graduated from her primary school. Her name is

Liu Yinong, a 13-year-old Junior One student in the High School Affiliated to Rennin University of

China(人大附中).

     Liu(3)      (ask) to learn English by her mother at the very beginning. Her big success results from

her good learning habits. Since long ago, Liu(4)    (have)the habit of practicing her English listening in

the morning and evening. She usually(5)     (listen) to VAO, BBC, and New Concept English(新概

念英语). As for her spoken English, she keeps on(6)      (practice)it every Friday at the English

Corner. Liu said, "It's important(7)       (carry)on practicing while learning a foreign language." Now

you can understand why she is so good at English.

     Now, little Yinong(8)       (get)ready for entering Harvard University(哈佛大学). She plans to

learn French and German during her middle school. Then she(9)      (choose) to study another l

anguage(10)       (speak)by smaller group of people. She decides to master(掌握)five languages

before studying in Harvard University.

     "My final goal is to be the Secretary-General of the UN(联合国秘书长). I will make a good

preparation for entering the UN,"she said.

考点:人物传记类阅读
题型:填空题

决策的基本特征如下()

A.决策都是为了达到一个目标,没有目标无法进行系统决策

B.决策总是在一定的条件下追求目标的优化

C.决策的过程是从若干个有价值的方案中选择最优,选择过程就是一个优化过程

D.决策具有可行性

E.决策具有随意性

题型:填空题

学习了光学知识后,晓雯对有关实验进行了思考和创新:

(1)如图所示探究平面镜成像规律实验中,晓雯采用透明玻璃板代替平面镜来完成探究活动,虽然不如平面镜清晰,但却能在观察到A蜡烛像的同时,也能观察到B蜡烛,这是为了能确定像的___________________。

(2)当点燃的蜡烛放在玻璃板前20cm的A处时,玻璃板后B处的蜡烛好像也被点燃了;移去B处的蜡烛,取一光屏放在B处,发现光屏上并没有出现蜡烛的像,这说明平面镜所成的像是_____________像。

(3)晓雯将玻璃板移去,在玻璃板位置放一凸透镜,B处放一光屏,发现光屏上恰好成清晰的倒立、等大的烛焰像,则该凸透镜的焦距是________________cm。

题型:填空题

电铲在静止不动时,都存在握持电流。为了减少系统发热和节省电能,所以在“导车”或较长时间不需运动时应:()

A、将驱动系统或主电机切断;

B、直接切断总励磁;

C、关闭各部抱闸开关;

D、把勺斗置于地表面不动即可

题型:填空题

模板对类型的参数化提供了很好的支持,因此

A.类模板的主要作用是生成抽象类

B.类模板实例化时,编译器将根据给出的模板实参生成一个类

C.在类模板中的数据成员都具有同样类型

D.类模板中的成员函数都没有返回值

题型:填空题

联营企业指两个及两个以上相同或不同所有制性质的企业法人或事业单位法人,按自愿、平等、互利的原则,共同投资组成的经济组织。联营企业包括国有联营企业、集体联营企业、国有与集体联营企业和其他联营企业。
以下不属于联营企业的是( )。

A.某肉联厂与连锁酒店签订协议,该肉联厂的产品只提供给这一家连锁店,但要保证一定的数量及价格,两家按一定的比例分享收益
B.小张和小李在城里各开了一个餐厅,为了节约成本,两人共同出资买车直接从乡下采购蔬菜
C.某镇政府与一个家具厂于2008年订立合同开办了一个联营林场,林场的产出主要用于家具厂的生产,两家按一定的比例分享收益
D.某钢铁厂与一家机器厂签订合同。钢铁厂以较低的价格向机器公司提供钢材,以使其在市场上占据有利地位,钢铁厂对机器厂的销售利润享有一定分成,但不负责其亏损

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