试用期遭遇工伤，被鉴定为七级，已领取社保补偿的伤残补助金和医疗补助金。现单位赔偿我1

(21) put computers to practical business use, but below the surface it is the heart of an (22) - the kernel - that provides the technical wizardry to juggle multiple programs, connect to networks and store (23) .
A traditional kernel provides all the functions for applications. The kernel (24) memory, I/O devices and parcels out processor time.
The kernel also supports (25) and fault tolerance, which is the ability to recover automatically when parts of the system fail.

A．text

B．data

C．image

D．graphics

前侧壁急性心肌梗死特征性心电图改变出现的导联是（）。

A.V₁～V₃

B.Ⅱ、Ⅲ、aVF

C.V₄～V₆

D.V₇～V₉

E.Ⅰ、aVL

-Do you know there __________ a soccer game on our playground?

-Really? How about going together?

A. will have    

B. is going to be   

C. is going to have

D is going have

1929年10月24日被喻为“黑色星期四”，从这一天开始，一场严重的资本主义经济危机席卷了整个资本主义世界。这次资本主义世界经济危机首先开始于( )。

A．工商业
B．农业
C．服务业
D．金融业

某建筑装饰公司承担了某宾馆200套客房的装修施工：任务。施工按先木门窗安装、吊顶后铺没实木地板。最后对吊顶及墙面进行涂饰。在涂料施工中，为防止门扇、玻璃及木饰面被污染，在施涂工作面周边粘贴美纹纸。

为防止实木地板面层整体产生线膨胀效应，木搁栅应垫实钉牢，木搁栅与墙之间留出（）的缝隙。

A．20mm

B．25mm

C．15mm

D．30mm