设等比数列{an}的前n项和为Sn,若a3=3S2+1,a2=3S1+1,则公比

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问题:

设等比数列{an}的前n项和为Sn,若a3=3S2+1,a2=3S1+1,则公比q=(  )

A.1

B.2

C.4

D.8

考点:等比数列的定义及性质
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Sichuan Restaurant
Type: Chinese food
Hours: Mon~ Fri (7:30 am to 10:30 pm)
Sat~ Sun (7:30 am to 12:30 pm)
Services: Eat—in
About Us: We have all kinds of Chinese food and are famous for our hot Sichuan dishes. Dinner starts from $55 per person.
Tel: 555 0980
Italian Pizza Restaurant
Type: Italian food
Hours: Tue ~ Sun (12 noon to 11 pm)
Mon (closed)
Services: Take—away, Home delivery(送餐)
About Us: Cheapest and best food in town.
Pizza for four people $7.50 and up
Tel: 555 7887
小题1: If you want to buy breakfast on your way to school in the morning , where should you go?
A.Before 7:30 am in Italian Pizza Restaurant.
B.Before 7:30 am in Sichuan Restaurant
C.After 7:30 am in Italian Pizza Restaurant.
D.After 7:30 am in Sichuan Restaurant.
小题2:You and your friend want to go out to a restaurant for dinner. It is Monday evening and you have a total of  $ 50 to spend. Where will you go?
A.Sichuan Restaurant.B.Italian Pizza Restaurant.
C.Neither of them.D.Both of them.
小题3:Which of the following is true about Italian Pizza Restaurant?
A.It has good but expensive food.
B.It is open earlier than the other restaurant.
C.It is the restaurant that allows take—away.
D.It is a great place for people to get together.
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机器是由许多构件装配成整体的,构件是机器中运动的单元。

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()一般与战术决策相联系

A.经验决策

B.科学决策

C.常规决策

D.非常规决策

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葡萄糖分子的跨膜移动可以是().

A.从高浓度向低浓度移动

B.从低浓度向高浓度移动

C.两者均是

D.两者均非

题型:选择题

物体的重量就是物体的重力。

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