三角形的三边长分别是2x cm,4x cm,3x cm,则周长为( )cm。

题型:填空题

问题:

三角形的三边长分别是2x cm,4x cm,3x cm,则周长为(     )cm。

考点:写代数式
题型:填空题

   单词拼写。

    1.This is an____ (改编)of a novel for the film.

    2. Luckily, he made a large____ (财富)by dealing with foreigners in tea.

    3. I didn't recognize him,for he was in____ (伪装).

    4. She lost the_____ (因古老或稀少而珍贵的)necklace, so she had to 

         work for many years to pay for it.

    5 ._______ (一般地)speaking, boys like football.

    6. She answered without a moment's______ (犹豫).

    7. They made rude_______ (话语)about her appearance.

    8. I made his____ (相识)at a party.

    9. She seems____ (心甘情愿;准备忍受)to not having a holiday this year.

    10. He had a good disguise,but as soon as he spoke he____ (显露)himself.

题型:填空题

观察下列运算并填空:

1×2×3×4+1=25=52

2×3×4×5+1=121=112

3×4×5×6+1=361=192

根据以上结果,猜想并研究:(n+1)(n+2)(n+3)(n+4)+1=(    ).

题型:填空题

不属于计算机网络中硬件组成的是()。

A.网线

B.网卡

C.网络协议

D.调制解调器

题型:填空题

– She was mad _______me for _________her keys.

A.about, losing

B.at, losing

C.at, loseing

D.at, lost

题型:填空题

直流电源控制组件(1VE)安装在什么位置?

A、客舱地板下

B、左电子设备舱

C、登机门入口处,地板下

D、后电子设备舱

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