下列（）工具栏不属于PowerPoint 2000中的工具栏。A.表格和边框 B.大

阅读短文，并填入适当的词。（首字母已给出）

    What must you do when you get a present for your birthday? You have to sit down and

write a thank-you note. The word "thanks" is very i______ (1). We have to use them very

often. We say them when someone gives us drink, helps us to pick up things, hands us a

letter or lends us a book. It is rude(粗鲁) to ask someone to do something w______ (2)

saying "please". We have to use it when we ask for s_____ (3), too.

    We have to learn to say "sorry", too. When we have h______ (4) someone, we'll have

to go up and say we're sorry. When we have forgotten something, we will say "sorry". We

can make people forget w______ (5) by saying it.

--Where is your father?

--He          to Australia on business.

A．has been

B．went

C．has gone

D．will go

下表是中关两国的两个苹果产区与北半球苹果生长最适宜区的气候条件和生产成本的相关资料。据表回答1—2题。

1、表中的美国产区最可能位于[ ]

A．30°N-40°N西海岸

B．30°N-40°N东海岸

C．密两西比河三角洲

D．五大湖区

2、表中的中国产区与美国产区相比，具有的优势是

①年平均气温、年降水量条件更适宜②气温年较差大，有利于苹果糖分的积累

③夏季光照条件较好④劳动力成本较低[ ]

A．①③

B．②③

C．①④

D．②④

特殊正当防卫

焊接、切割与热处理作业结束后，还应做哪些工作？