师傅带领几个徒弟制作零件。如果师傅参加工作，每天可以制作零件200个；如果师傅不

Melissa and LoveLetter made use of the trust that exists between friends or colleagues. Imagine receiving an (6) from a friend who asks you to open it. This is what happens with Melissa and several other similar email (7) . Upon running, such worms usually proceed to send themselves out to email addresses from the victim’s address book, previous emails, web pages (8) .
As administrators seek to block dangerous email attachments through the recognition of well-known (9) , virus writers use other extensions to circumvent such protection. Executable (.exe) files are renamed to .bat and .cmd plus a whole list of other extensions and will still run and successfully infect target users.
Frequently, hackers try to penetrate networks by sending an attachment that looks like a flash movie, which, while displaying some cute animation, simultaneously runs commands in the background to steal your passwords and give the (10) access to your network.

A．cracker

B．user

C．customer

D．client

用竖式计算．

106×8

48÷7．

“居者有其屋”，房价关乎民生。下列政府采取的措施中，可能有效抑制房价增长过快的经济手段有[ ]

①实施积极的财政政策→扩大财政支出→增加保障性住房→抑制房价增长过快

②提高存贷款利率→流通领域货币量增加→投机性购房减少→抑制房价增长过快

③查处囤地炒地→增加住房用地有效供给→扩大住房供应量→抑制房价增长过快

④调整房产税收政策→减少房产保有和交易成本→投机性购房减少→抑制房价增长过快

A、③④  

B、②④  

C、①③  

D、①②

在狭水道航行，离岸壁太近会出现：（）

A.船首岸推，船尾岸吸 

B.船首岸推，船尾岸推 

C.船首岸吸，船尾岸推 

D.船首岸吸，船尾岸吸

免疫球蛋白轻链可分为（）和（）两个功能区。