在一个三角形中,已知∠1=56°,∠2=64°,∠3=______;一个等腰直角

题型:填空题

问题:

在一个三角形中,已知∠1=56°,∠2=64°,∠3=______;一个等腰直角三角形的三个内角是______、______.

考点:角的度量
题型:填空题

We all know that food gives us energy, but sometimes it can make us much happier when we feel bad. Studies show that foods such as sea fish, bananas, pumpkins and chicken can help fight against bad moods. How can they affect our moods?
Studies show that people living by the sea appear much happier than other people, because the fresh sea air helps them clear their minds and they eat a lot of sea fish.
Bananas have something that is full of Vitamin B6. Having more bananas can help us make a quick decision, and become more confident.
Eating pumpkins can also help people get into a good mood because it’s rich in Vitamin B6 and iron(铁)and it will make us happier.
Are you in a bad mood? If you are , don’t sit alone. Go to eat such happy food with your friends. Maybe you’ll be better.
小题1:Food gives us energy and sometimes   .
A.it can affect our moodsB.it can make us feel sad
C.it can make us become fatD.it can make us look healthier
小题2: Why do people living by the sea look happier?
A.Because they have fresh air and eat sea fish.
B.Because they can often swim in the sea.
C.Because they often go boating.
D.Because they drink sea water.
小题3: What food can make us more confident?
A.Sea fish.B.Chicken.C.Pumpkins.D.Bananas.
小题4:The food can make us more confident?
A.维生素B.矿物质C.小麦D.氯化钠
小题5: Which of the following is TRUE?
A.Chicken can do nothing for us.B.Vitamin B6 and iron can make us happier.
C.Eating a lot fish can make us unhealthy.
D.Fresh air can help us become more confident.
题型:填空题

物流系统战略规划属于企业物流()的内容。

A.管理层

B.控制层

C.作业层

D.操作层

题型:填空题

在xoy坐标系中,将一负检验电荷Q由y轴上a点移至x轴上b点,需克服电场力做功W,若从a点移至x轴上c点,也需克服电场力做功W,那么此空间存在的静电场可能是(  )

A.电场强度方向沿y轴负方向的匀强电场

B.电场强度方向沿x轴正方向的匀强电场

C.处于第I象限某一位置的正点电荷形成的电场

D.处于第Ⅲ象限某一位置的负点电荷形成的电场

题型:填空题

测量发电机转子绕组绝缘电阻时,兆欧表一端接于转子滑环上,另一端接于()。

A、转子轴上;

B、机座上;

C、发电机外壳上;

D、接地网的接地点上。

题型:填空题

与奴隶制、封建制国家相比,资本主义国家()

A.政治上对多数人实行民主,对少数人实行专政

B.代表绝大多数人的根本利益

C.政治上要求形式上的自由民主、正义平等

D.经济上要求自由竞争、等价交换

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