在△ABC中,角A,B,C所对的边分别为a,b,c,且acosB=3,bsinA

题型:填空题

问题:

在△ABC中,角A,B,C所对的边分别为a,b,c,且acosB=3,bsinA=4,则a=______.

考点:正弦定理
题型:填空题

The Mid-Autumn Festival is coming. Let’s see what my friends are going to do during the three-day holiday.

Peter: I’m going to visit my uncle and aunt with my parents during the three days. They live in the countryside. It is far from our city, Beijing. We’re going to take the train there. I am going fishing there with my cousin.       

Eliza: I’m going to visit my grandparents with my parents on the first day. They live in a small town. It is going to take us one hour to get there by car. On the second day, I’m going to have a party with my friends. On the third day, I have to do my homework and study for a math test.

Gina: My cousin is visiting us. He lives in Tianjin. He is coming by bus. On the first day, I’m going to play ping-pong with him. On the second day, I’m going to take him to Eliza’s party. On the third day, my cousin is going back and I am going to do some shopping with my parents.

小题1:Peter is staying in ______ during the three- day holiday.

A.Beijing

B.the countryside

C.Tianjin

D.a town小题2:How is Eliza going to her grandparents’ home?

A.By car.

B.By bike.

C.By bus.

D.By train.小题3:Gina is ______ on the third day.

A.visiting her cousin

B.playing ping-pong

C.doing her homework

D.doing some shopping小题4:Who are going to Eliza’s party?

A.Peter and his cousin.

B.Gina and her cousin.

C.Peter and Gina.

D.Peter, Gina and their cousins.小题5: From the passage, we can know that ____.

A.Peter doesn’t like fishing

B.Eliza is going to have a test

C.Gina likes all kinds of sports

D.all three of them have no homework during the three days

题型:填空题

某海岛经常刮大风,岛上有许多无翅或残翅的昆虫,对此现象解释正确的是(  )

A.无翅或残翅的个体得以生存和繁殖

B.现存各类是有翅昆虫,其翅被风折断了

C.这是自然选择的结果

D.有翅的个体被大风刮走了

题型:填空题

标准成本按其制定所依据的生产技术和经营管理水平,分为()。

A.现行标准成本

B.基本标准成本

C.理想标准成本

D.正常标准成本

题型:填空题

何谓新鲜血液?

题型:填空题

根据产品使用的质量标准,产品质量战略可分为()

A、国际质量标准战略

B、国外先进标准战略

C、目标市场所在国的国家标准战略

D、竞争质量标准战略

E、用户满意标准战略

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