在刚刚过去的伦敦奥运会上,百米“飞人”博尔特在百米决赛中,一马当先冲过终点,用时

题型:填空题

问题:

在刚刚过去的伦敦奥运会上,百米“飞人”博尔特在百米决赛中,一马当先冲过终点,用时9秒63.以冲过终点的博尔特为参照物,现场的观众是______的,冲过终点的博尔特不能马上停下来,是因为博尔特具有______,若一辆摩托车的运动速度是36km/h,则博尔特的百米速度______(选“大于”“小于”或“等于”)摩托车的行驶速度.

考点:速度的计算惯性现象参照物及其选择
题型:填空题

阅读理解:

Visit Blue Sky Zoo

    Come and see the bears from the North Pole and the Indian(印度的)elephants. There are also four

pandas from Sichuan in China. There are two zebras from America. The lovely dogs from Canada are

waiting for you to play with them.

Tickets:

Adults: $3.00

Children: Over 10: $1.00

Under 10: Free

Opening Time:

10:00a.m. ~4:00 p.m.(From Monday to Friday)

9:00a.m. ~5:00 p.m. (Saturday &Sunday)

Keep the zoo clean.

Don't feed the animals.

1. How many kinds of animals are talked about in the passage?       

A. Three.                      

B. Four                        

C. Five                        

D. Six

2. Which animals are nottalked in the passage?

A. Dogs and zebras.

B. Polar bears and pandas.

C. Horses and birds.

D. Elephants and dogs.

3. Now Mr Green and his sons, Mike and David, are in the zoo. Mike is 9 and David is 12. How much

are the tickets together?

A. 3                            

B. 4                            

C. 5                            

D. 6

4. When can you go to the zoo?

A. At 9:00 a.m. on Friday.                  

B. At 9:00 a.m. on Sunday.

C. At 6:00 p.m. on Saturday.                

D. At 5:00 p.m. on Tuesday.

5. What shouldn't you do in the zoo?     

A. Feed the animals.                          

B. Keep the zoo clean.

C. Touch the animals.                        

D. Take photos.

题型:填空题

下列自然现象与所对应的物态变化不正确的是(  )

A.初春的早晨,大雾弥漫--液化

B.炎热的夏天,积水干涸--汽化

C.深秋的早晨,“雾淞”晶莹--凝华

D.寒冷的冬天,滴水成冰--升华

题型:填空题

.

A. .

B. .

C. .

D..

题型:填空题

某外资企业同B公司签订了一项货款总额为10万元的产品买卖合同,该外资企业以其一台价值12万元的机器作抵押,此种抵押的设立_________。

A.该外资企业可自主设立

B.需经工商行政管理机关批准并报该外资企业的审批机关备案

C.经审批机关批准,并向工商行政管理机关备案

D.需要工商行政管理机关批准

题型:填空题

双生子分析的基本原理是通过比较同卵双生子和(或)异卵双生子人群中某疾病和症状发生率的不同判断遗传和环境的贡献程度,下列说法正确的是()

A.同卵双生子疾病和症状的差别主要是由遗传因素决定的

B.同卵双生子疾病和症状的差别主要是由环境因素决定的

C.异卵双生子疾病和症状的差别主要是由环境因素决定的

D.同卵双生子和异卵双生子疾病和症状的差别主要是由环境因素决定的

E.以上结果都不对

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