已知：x2-2x+1+x+y+3=0，则|x-y|=______．

右图是消化系统的模式图，请据图回答：（9分）

（1）人体的消化系统由____________和____________组成,人体消化食物和吸收营养物质的主要场所是（  ）_____________。

（2）能对蛋白质进行初步消化的器官是（   ）_____________。

（3）【4】________分泌的胆汁中不含有消化酶，但能促进________

的消化。

（4）淀粉、蛋白质被彻底消化后的营养物质依次是________________________。

在考生文件夹下创建工作簿文件EX2.XLS，按要求在EX2.XLS中完成以下操作。 1．在sheetl工作表中建立如下内容工作表，并用函数求出每人的全年工资，表格数据全部为紫色、19磅、居中放置，并自动调整行高和列宽，数值数据加美元货币符号，表格标题为绿色，合并居中，工作表，命名为“工资表”。

2．将工资表复制为一个名为“排序”的新工作表，在“排序”工作表中，按全年工资从高到低排序，全年工资相同时按10～12月工资从大到小排，结果保存在EX2.XLS中。 3．将工资表复制为一张新工作表，并为此表数据创建“簇状柱形图”，横坐标为“各季度”，图例为“姓名”，工作表名为“图表”，图表标题为“工资图表”。结果保存在EX2.XLS中。

在窗体上画一个命令按钮，其名称为Command1，然后编写如下事件过程： Prirate Sub Command1_Click()a＄="Nationalcomputer rank Examination"n=Len(a＄)s=0For i=1 To nb＄=Mid(a＄，i，1)If b＄="n" Thens=s+1End If Next i Print sEnd Sub 程序运行后，单击命令按钮，输出结果是【 】。

In country after country, talk of nonsmoker’s right is in the air. While a majority of countries have taken little (51) no action yet, some 30 nations have introduced legislated steps to control smoking. Many laws have been introduced in other countries to (52) clear the air for nonsmokers, or to cut cigarette consumption.

Smoking is harmful (53) the health of people. World governments should conduct serious campaigns against it. (54) on cigarette advertisements, plus health warnings on packages and ban on public smoking in certain places, (55) as theaters, cinemas and restaurants, are the most popular tools used by nations in (56) of nonsmokers or in controlling smoking. But world attention is also focusing on another step (57) will make the smoker increasingly self-conscious and uncomfortable about his habit. Great efforts should be made to (58) young people especially of the dreadful consequences of taking up the habit. And cigarette price should be raised.

In the long run, (59) is no doubt that everybody would be much better-off if smoking were banned altogether but many people are not (60) for such drastic action.

57().

A.so 

B.as 

C.which 

D.such

下面哪一句话是正确的？警察有权力逮捕你，如果（）。

A、你没有提供真实姓名和住址

B、你的车没有验车证

C、右转时没有打转向灯

D、在停车标志前没有停车