若平行四边形的一边长为5,则它的两条对角线长可以是[ ] A. 12和2  B.

题型:选择题

问题:

若平行四边形的一边长为5,则它的两条对角线长可以是[ ]

A. 12和2 

B. 3和4  

C. 4和6 

D. 4和8

考点:平行四边形的性质
题型:选择题

英国文艺批评家罗斯金说过这样一段话:“我们有三种人,一种人见识真确,因为他不生情感,对于他樱草花只是十足的樱草花,因为他不爱它。第二种人见识错误,因为他生情感,对于他樱草花就不是樱草花,而是一颗星星,一个太阳,一个仙人的护身盾,或是一位被遗弃的少女。第三种人见识真确,虽然他也生情感,对于他樱草花永远是它本身那么一件东西,一枝小花,从它的简明的连茎带叶的事实认识出来,不管有多少联想和情绪纷纷围着它。这三种人的身份高低大概可以这样定下:第一种完全不是诗人,第二种是第二流诗人,第三种是()。”

题型:选择题
先化简,再求值:
3-m
2m-4
÷(m+2-
5
m-2
)
,m=
2
-3.
题型:选择题

短文改错

     文中共有10处语言错误,每句中最多有两处。错误涉及一个单词的增加、

删除或修改。

    增加:在缺词处加一个漏字符号(∧),并在其下面写出该加的词。

    删除:把多余的词作斜线(\)划掉。

    修改:在错的词下划一横线,并在该词下面写出修改后的词。

    注意:1.每处错误及其修改均仅限一词;

                2.只允许修改10处,多者(从第11处起)不计分。

Dear Sally,

     Now I'd like to tell you something about my part-time job this

summer vacation, of which I worked like a guide in a travel agency.

The work was interesting but tired. I think it was helpful to work this

holiday. It was the first time that I have earned money on my own.

I've come to understand how hard my parents work to support

for the family. I used to keep on ask them for money, but now I'll never

waste money and learn to share worry with my parent. I've learnt how

to get along well with others. What's worse, I've gained some working

and social experience and I have learnt something can' t be learnt from

textbooks. All these will be good for my future. In the word, I had the

wonderful and valuable summer vacation.

                                                 Yours,  

_____________________________________________________________

题型:选择题

在光的照射下,物体明暗变化的两大部即受光的亮部和()

A、背光的暗部

B、受光的高光

C、阴影

D、明暗交界线

题型:选择题

鼓膜穿刺的部位是()。

A.鼓膜前下方

B.鼓膜前下方

C.鼓膜后上方

D.鼓膜后下方

E.鼓脐部

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