如果两个三角形的三组______的比相等,那么这两个三角形相似.

题型:解答题

问题:

如果两个三角形的三组______的比相等,那么这两个三角形相似.

考点:相似三角形的性质
题型:解答题

阅读理解。

     My tears run down from my cheeks (面颊) when I talk to my parents on the phone. What are they doing

when I call them? Dad works from seven o'clock in the morning to nine o'clock in the evening. My mum does

all the housework, she also has to work in the field. But I can't do anything for them.

     Every day she gets up at around 4 o'clock in the morning. When I sometimes call her at 7:30 in the evening,

she tells me that she is still in the field and doesn't have supper. I tell her I'll study hard in the school. I also ask

her to take care of herself and dad because I can't live without them.

     Mum says that the happiest time for dad and her is when my sister and I come back home.

     We play cards in the room, watch TV, or do anything we like, with dad and mum making delicious food in

the kitchen. It is also the happiest time for me.

     Love, sometimes, doesn't need many words. Love your parents like they love you. Give them a call, tell

them you miss them.

1. Why can't the writer live without their parents?

A. Because her parents give her money.

B. Because her parents need her to take care of them.

C. Because she loves her parents and they love her very much.

D. Because they afford (提供) her education (教育).

2. The happiest time for the writer's mum and dad is ________.

A. she and her sister help them make delicious food in the kitchen

B. her sister and her coming back home

C. they play cards in the room

D. they work in the field together

3. Which of the following is the best title?

A. Mum and Dad

B. I love you, Mum and Dad

C. My Family

D. I Love My Family

题型:解答题
已知:
a-1
与|b-4|互为相反数,则
ab
=______.
题型:解答题

视频搜索可提供哪些类型的搜索方式。()

A.客户端搜索

B.全内容搜索

C.分类搜索

D.互联网搜索

题型:解答题

下面不是VC4级别SNCP倒换必选的检测条件的是()。

A、MS-AIS

B、B3SD

C、AU-LOP

D、RLOS

题型:解答题

电子计算机的最早的应用领域是______。

A.数据处
B.数值计算
C.工业控制
D.文字处理

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