粒细胞缺乏症为粒细胞

A:<4.0×l09/L B:<3.0×l09/L C:<2.0×l09/L D:<1.0×l09/L E:<0.5×109/L

如图,下列说法错误的是 ( )

A:1和3是同位角 B:1和5是同位角 C:1和2是同旁内角 D:5和6是内错角

Fitness First Initiative for Teenagers(FFIT)is a plan from Fitness First in Australia.It provides FREE fitness to 14-18 year olds through its program FFIT Holidays.

FFIT aims to encourage youngsters to get active--for FREE--by providing them with a fun and non-competitive environment in which to train and make them stay active.

FFIT Holidays Dates & Times

Term 1 Holidays,2009

● Victoria:04/04/09--19/04/09

● All other states:10/04/09--27/04/09

Term 2 Holidays,2009

● Victoria & Queensland:27/06/09--12/07/09

● Australian Capital Territory,South Australia & Western Australia:04/07/09--10/07/09

● New South Wales:11/07/09 -- 27/07/09

Term 3 Holidays,2009

● Victoria & Queensland:05/09/09--19/09/09

● Australian Capital Territory,South Australia & Western Australia:12/09/09--26/09/09

● New South Wales:03/10/09--19/10/09

Term 4 Holidays,2009--2010

● Queensland & South Australia:12/12/09--27/01/10

● Western Australia:18/12/09--31/01/10

● Victoria,New South Wales ~ Australian Capital Territory:19/12/09--27/01/10

Fitness First provides chances for children to improve their lifestyle,health and fitness.As you know,the state of our children's health is going from bad to worse.Health and social problems which are connected with a sedentary(久坐的)lifestyle are on the increase in children.All of these problems can be positively influenced by exercise.FFIT aims at getting more children,more active,more often.

Call Fitness First 1300 55 77 99.

1.The advertisement is put mainly for _________.

A.primary school studentsB.high school students

C.primary school teachersD.high school teachers

2.To take part in the program from Dec.18,2009 to Jan.31,2010,you'll have to go to _________.

A.Western AustraliaB.Victoria

C.South AustraliaD.Queensland

3.We can learn from the advertisement that _________.

A.FFIT will cost those who take part 'in it much money

B.FFIT will make those who take part in it more active

C.FFIT will change different people's lifestyle completely

D.FFIT will solve all kinds of health and social problems

BAB

下列 食物链正确的是 ( )

A:草 食草昆虫 老虎 山羊 B:食虫鸟 草 老鹰 C:狐 老鹰 食虫鸟 蚱蜢 草 D:草 蚱蜢 食虫鸟 蛇 老鹰

是数列的前项和,且. (1)当时,求; (2)若数列为等差数列,且. ①求; ②设,设是数列的前项和,对任意的正整数恒成立,求实数的取值范围;

解  (1)[333cd6b189353ce72b68f14b064c49c8.gif]时,[08834c9bae7fa2438f2579b071ba9761.gif] 当[c03322812a0bc330021aeb92745eaf9f.gif]时,[009f1fd08450b4ad54f83b8e1cabdc2f.gif][c14e7790cc39cfdba71a8cb43d668072.gif]是以[33735fe36e59833196a159dcfd3ef2e2.gif]为首项,[a8a0f61a54d1ae504bd8162b52b63d8c.gif]为公比的等比数列, [e421bed9dff11fcba09da3fba4094851.gif] (2)①[77c3b9d74fe3b7d27ab400ae0b0384ff.gif]为等差数列,[8b04845a2604194f2ec4e642bba78532.gif]设[1af5d1a4e2e6cbd5d503a6518a963d37.gif] [146b5e327f222dfc2af0c4d00c0db34a.gif] [5336dfa350369a2bf45ee9b469fd6ec3.gif] (3)[fea613878090940917adc46e864b9f0c.gif],[074ce354385c41d9a02253dbd8a11bef.gif]① [3d9846c0302a85d64ddddb96f47a1475.gif]② ①-②得,[de53e51d5be2c663a3f2c865acee416c.gif] [872b6cd82e205706cb0bc8b43d65dad2.gif]

有a、b、c、d四个金属电极,有关的化学装置、部分反应现象如下:由此可判断这四种金属的活动性顺序是

A: a>b>c>d   B: b>c>d>a C: d>a>b>c D: a>b>d>c

以下操作 B09 正确的是()

A:切除操作时需将塞门手柄旋转至与管路平行, 直至 B09 无法拧动为止 B:切除操作时需将塞门手柄旋转至与管路垂直, 直至 B09 无法拧动为止 C:恢复 B09 时须将塞门手柄旋转至与管路垂直, 直至 B09 无法拧动为止 D:恢复 B09 时须将塞门手柄旋转至与管路平行, 直至 B09 无法拧动为止 E:恢复 B09 时须将塞门手柄旋转至与管路平行即可

上证50ETF期权合约的开盘竞价时间为()。

A:上午09:15~09:30 B:上午09:15~09:25 C:下午13:30~15:00 D:下午13:00~15:00

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