搜题请搜索小程序“爱下问搜题”
问题 选择题

具有“早穿皮袄午穿纱”气候特点的地点是（　　）

A．上海

B．广州

C．成都

D．吐鲁番

答案

“早穿皮袄午穿纱”说明该地的日温差很大，我国的新疆地区的年温差和日温差都很大，有“早穿皮袄午穿纱，围着火炉吃西瓜”的俗语，吐鲁番位于新疆．

故选：D．

单项选择题

腹部空腔脏器破裂最主要的临床表现是（）

A.胃肠道症状

B.腹膜刺激征

C.全身感染症状

D.气腹征

E.肠麻痹
查看答案
单项选择题

Melissa and Love Letter made use of the trust that exists between friends or colleagues. Imagine receiving an (26) from a friend who asks you to open it. This is what happens with Melissa and several other similar email (27) . Upon running, such worms usually proceed to send themselves out to email addresses from the victim’s address book, previous emails, web pages (28) .

A. cracker B. user C. customer D. client

As administrators seek to block dangerous email attachments through the recognition of well-known (29) , 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 (30) access to your network.
查看答案