等体积、等物质的量浓度的硫酸、氢氧化钠溶液分别放在甲、乙两烧杯中,各加入等质量的

题型:选择题

问题:

等体积、等物质的量浓度的硫酸、氢氧化钠溶液分别放在甲、乙两烧杯中,各加入等质量的铝,生成氢气的体积比为5:6,则甲、乙两烧杯中的反应情况可能分别是[ ]

A.甲、乙中都是铝过量

B.甲中铝过量,乙中碱过量

C.甲中酸过量,乙中铝过量

D.甲中酸过量,乙中碱过量

考点:金属、非金属的有关计算
题型:选择题

南宋诗人赵师秀在《约客》中写道:“黄梅时节农家雨,青草池塘处处蛙。”这是

①气候及生物生存自身特有的规律     ②这时气候及生物生存规律的主观反映

③人类正确处理人与自然关系的表现   ④生动反映了客观事物的本来面目

A.①②

B.②③

C.②④

D.③④

题型:选择题

晚期丝虫病的特征性病变是淋巴系统的增生阻塞,其主要的临床表现有()

A.淋巴结肿大和淋巴管曲张

B.鞘膜积液

C.乳糜尿

D.丝虫热

E.象皮肿和淋巴水肿

题型:选择题

The 12—year—old CEO(首席执行官)of a Web site design company will be one of 300 business and political leaders accompanying Canadian Prime Minister Jean Chretien on a trade visit to China in March.

Keith Peiris, who founded Cyberteks Design in June 1999 and now has 25 clients (客户)in North America ,insisted in an interview that he is “just like any other kid.”

He and his father will spend nine days on the Team Canada trip to Beijing ,Shanghai and Hong Kong ,where Chretien aims to showcase the best of Canadian business in the most populous country in the world .

A glance at the complex ,elegant animations (动画)on his www.cybertecks.com site shows the extent of Peiris’ talent . “He doesn’t want to be No.2,”his father Deepal said proudly .

His father ,who is now vice president of operations at Cyberteks ,said , “I am teaching my son what I know .We make decisions together .I haven’t done anything my son disagreed with .He makes the final decision .”

The company has seven offices in the United States and five part—time employees who ,like the Peiris family ,work from their London homes .  

Keith Peiris admitted some potential clients change their minds when they learn his age ,but the well—informed not—yet—teenager tries to ignore them .

“Suddenly ,I’ve been called a whiz kid or geek ,which I am not too happy about .A few people have asked if they should call me ‘mister’, but I stay casual , I am still a kid .

小题1:That Keith Peiris insisted that he is “just like any other kid” shows he is           .

A.proud

B.modest

C.honest

D.excited小题2:Who makes the final decision on operations at Cyberteks Design?

A.Keith Peiris      B.Deepal Peiris         C.Jean Chretien        D.Both A and B.

小题3:According to the information in the passage ,which is the best and fastest way to know more about the Web giant ?

A.We can go to Canada to pay him a visit .

B.We can make an international telephone call to him.

C.We’d better visit his web site—www.cyberteks.com.

D.We can write to his father for the kid’s information.小题4:Which of the following statements is NOT TRUE?

A.Keith Peiris is a Canadian boy .

B.All the employees of the child’s company work at home .

C.The Canadian Prime Minister means to show off Keith’s success during his stay in China .

D.Keith always tries his best to be the best in the field of web site designing .

题型:选择题

展销会是通过实物、文字和图表以及音像影视材料来展销产品的一种()

A.展销形式

B.促销形式

C.营销形式

D.行销形式

题型:选择题

某多次妊娠、多次流产的妇女,术前配血最好选用()

A.盐水配血法

B.木瓜酶法

C.胶体介质配血法

D.凝胶微柱法

E.聚凝胺配血法

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