【简答题】下面的方格纸中,画出了一个“小猪”的图案,已知每个小正方形的边长为1。 (1)“小猪”所占的面积为多少? (2)在上面的方格纸中作出“小猪”关于直线对称的图案(只画图,不写作法); (3)以G为原点,GE所在直线为x轴,GB所在直线为y轴,小正方形的边长为单位长度建立直角坐标系,可得点A的坐标是(________,_________)。
【判断题】“乌鸦报丧,喜鹊报喜。”体现了联系的客观性。
【单选题】Which one is not suggested in selecting a topic?
A.
Choose a topic you are familiar with.
B.
Choose a topic that allows you to interact with the audience.
C.
You have to consider the time limit when choosing the topic.
D.
Choose a topic that has never been discussed before.
【简答题】下面的方格纸中,画出了一个“小猪”的图案,已知每个小正方形的边长为1. (1)“小猪”所占的面积为多少? (2)在上面的方格纸中作出“小猪”关于直线DE对称的图案(只画图,不写作法); (3)以G为原点,GE所在直线为x轴,GB所在直线为y轴,小正方形的边长为单位长度建立直角坐标系,可得点A的坐标是(______,______).
【单选题】What did Glenn suggest if you do not know which topic to talk when you speak English?
A.
Choose a topic in your specific situation
B.
Wait for other people to start a new topic
C.
Always talk about weather
【单选题】On which topic did Mr. Darcy try to make conversation with Elizabeth?
【单选题】Why did the woman choose property rights as a topic?
A.
The professor recommended the topic.
B.
She already had a lot of reference materials on the subject.
C.
She wanted to learn something new.
D.
It was easy to research at the school library.
【简答题】在平面直角坐标系中,小方格都是边长为1的正方形,图①、②、③、④的形状和大小均相同。请你解答下列问题(根据变换需要可适当标上字母): (1)写出图①中点A关于原点对称的点的坐标; (2)指出图⑤与①、②、③、④中哪个是位似图形?位似中心的坐标是多少?图④通过怎样的变换可与图③拼成一个矩形?(请标注适当的数学对象,并加以描述) (3)图形①、②、③、④四部分能否密铺到图⑤中?如果可以,在图⑤中画出图...