餐饮业称之为“死面”“呆面”的面坯是（）。A．水调面坯 B．膨松面坯 C．层酥面

短文填空。

     In many countries, people t__________ (1) by car or by bike. They also get from place to place using

p__________ (2) transport such as buses and trains. However, some people live in parts of the world where

it is i__________ (3) to build roads. In these places, animals or other f__________ (4) of transport have to be

used.

     It is difficult to w__________ (5) in snow but easy to ski over it. So in places like Alaska, people use skis.

If they want to go faster, they get dogs to p__________ (6) them on sleds (雪橇). Riding a snowmobile (雪地

摩托) is a more m__________ (7), but expensive way of getting around on snow.

     In desert (沙漠) like the Sahara in North Africa, people s__________ (8) get around on camels. Camels

survive w__________ (9) in the desert, not because they can s__________ (10) water in their bodies though!

They can survive without water for two weeks and without f__________ (11) for up to a month.

H__________ (12) can only go without water for about three to five days.

氨基酸在肝脏经鸟氨酸循环生成的产物是 （）

A.尿素

B.尿酸

C.胆红素

D.氨

E.胆酸

牙周病最有效的预防措施有（）

A.正确刷牙、定期洁治，养成良好的口腔卫生习惯

B.盐水漱口，使用药物牙膏

C.改变偏侧咀嚼习惯

D.定期调，去除创伤因素

E.牙龈翻瓣手术

2013年5月20日,星期天,在某中学校园网的论坛上,有一些帖子,内容如下:

闲聊吧　晒心情

快乐无限:O(∩_∩)O哈!我今天捡到了100元钱,又可以大吃一顿了!

自由自在:(ˇ⌒ˇ)晕!我花了3元钱买了一本盗版的数学试卷,班长居然让我去 退换或到文化局举报出售盗版书的书店。真是多管闲事!

网里的鱼:o(ˇ⌒ˇ)o衰!在网吧认识的大李从我这儿强行要去了100元钱,说是 让我“孝敬”他的。对此,我该怎么办?

阅读上边帖子,结合所学知识,简要回答下列问题:

(1)你认为“快乐无限”的做法对吗?为什么?(3分)

(2)你赞同“自由自在”的观点吗?说说你的理由。(5分)

(3)请回复“网里的鱼”,告诉他两条正确的 * * 途径。(4分)

反映两变量间相关关系可绘制（）

A.直方图

B.圆图

C.散点图

D.直条图

E.线图