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问题 填空题
一个蛋糕，小红吃了它的
2
8
，妈妈吃了它的
3
8
，小红和妈妈一共吃了这块蛋糕的______，还剩下这个蛋糕的______．
答案

2
8
+
3
8
=
5
8
；

1-

5
8
=
3
8
；

答：小红和妈妈一共吃了这块蛋糕的

5
8
，还剩下这个蛋糕的
3
8
．

故答案为：

5
8
，
3
8
．

单项选择题

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.

6（）

A.attachment

B.packet

C.datagram

D.message
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问答题

人体胃液中含有适量的盐酸，可以帮助消化，正常胃液的pH在0.9-1.5之间，胃酸过多或过少，都会引起胃部不适。

(1)患胃酸过多病症的人应口服含有哪些物质的药物来治疗？(答一种即可)

(2)治疗胃酸目过多的药物为什么通常需嚼碎后服用？

(3)还有一些人因胃酸过少影响消化，你建议他应该多吃哪些食物？
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