题目内容（请给出正确答案）

[单选题]

B1=4,B2=3,B3=6,则sum（B1:B3)=（）

A.3

B.6

C.10

D.13

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更多“B1=4,B2=3,B3=6,则sum（B1:B3)=（）”相关的问题

第1题

如果要对B2、B3、B4三个单元格中的数值求平均值，则公式应该为()。

A.一AVERAGE(B2：B4)

B.一SUM(B2：B4)

C.一AVERAGE(B2，B3，B4)

D.一(B2+B3+B4)／3

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第2题

设b₁=a₁+a₂，b₂=a₂+a₃，b₃=a₄+a₁，b4=a₄-a₁，证明

向量组b₁，b₂，b₃，b₄线性相关。

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第3题

商场中无自然采光楼梯间的墙面、顶棚和地面均应采用()级装修材料。(易)

A.A级

B.B1级

C.B2级

D.B3级

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第4题

装修材料按其燃烧性能分为四级：()

A.A———不燃性材料

B.B1———难燃性材料

C.B2———可燃性材料

D.B3———易燃性材料

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第5题

There are several ways in which Americans 【B1】 customs are different from those in other p

arts of the world. A guest invited to dinner is 【B2】 to arrive on time. The use of the knife and fork is often different. The fork is used mostly in the right hand. It 【B3】 the food without help from the knife, which is 【B4】 used only to cut meat or potatoes, and is placed to the right of the plate when in use . And while in many places the napkin(餐巾) is put around the neck, here it is put on the lap. Finally, when Americans eat certain foods, they use their 【B5】.For example, at picnics they eat chicken, pizzas, and so on with their hands only.

【B1】

A．dinning

B．dine

C．diner

D．dinner

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第6题

在Excel2000中，在单元格F3中，求A3、B3和C3三个单元格数值的和，正确的形式是【】

A.=$A$3+$B$3+$C$3

B.SUM(A3,C3)

C.=A3+B3+C3

D.SUM(A3:C3)

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第7题

设A1单元格中有公式为=SUM（B2:D5)，在C3单元格处插入一列，再删除一行，则Al单元中的公式变成______

设A1单元格中有公式为=SUM(B2:D5)，在C3单元格处插入一列，再删除一行，则Al单元中的公式变成__________．

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第8题

Color is very important to most animals for it helps them to get along in the world. Color

【B1】to make an animal difficult for its enemies to see. Many animals match their【B2】so well that as long as they do not move no one is【B3】to see them. You probably have often "jumped" a rabbit. If you【B4】, you know how the rabbit sits perfectly still【B5】you are just a few feet away. You【B6】see the rabbit till it runs for its【B7】matches very closely the place where it is【B8】Many times you may have walked past a rabbit【B9】didn't run and you never knew it was there at all.

One of the most usual color schemes that helps animals to keep【B10】being seen, is a dark back and light underpants, if an animal is the same color all over, there is always a dark shadow along the animal's belly(腹部). Even if an enemy couldn't see the animal he could see this dark shadow.

【B1】

A．helps

B．contributes

C．tries

D．manages

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第9题

在Excel中，已知B2、B3单元格中数据分别是1和3，可以使用自动填充的方法使B4至B6单元格中数据分别为5，7，9，下列操作可行的是（)。

A、选定B3单元格，拖动填充柄到B6单元格

B、选定B2：B3单元格，拖动填充柄到B6单元格

C、选定B2单元格，拖动填充柄到B6单元格

D、以上方法都不可以

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第10题

Have you 【B1】______ asked yourself why children go to school？ You will probably say that t

hey go 【B2】______ their own language and other languages, arithmetic, history, science and 【B3】______ subjects. That is quite true, but why do they learn these things？ And are these things 【B4】______ that they learn at school？

We 【B5】______ our children to 【B6】______ them for the time 【B7】______ they will be big and will have work 【B8】______ themselves. Nearly all they study at school has some 【B9】______ use in their life. But is that the only reason 【B10】______ they do to school？

There is 【B11】______ in education then we have just learning facts. We go to school 【B12】______ all to lean how to learn 【B13】______ when we have 【B14】______ school we can continue to learn. A man who really knows 【B15】______ will always be successful. Because 【B16】______ he has to do something new which he has never had to do 【B17】______ , he does it in the best 【B18】______ . The uneducated person 【B19】______ , is probably unable to do something new, or does it badly. The purpose of schools, therefore, is not just to teach languages 【B20】______ to teach pupils the way to learn.

A．either

B．whether

C．ever

D．as well

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第11题

Although the United States cherishes the tradition that it is a nation of small towns and

wide open spaces, only one in every eight Americans now lives on a farm. The【B1】population trend has been a double one, toward both urbanization and suburbanization, Metropolitan areas have grown explosively in the past decade and nearly half this increase has been in the【B2】, With the rapid growth of cities has come【B3】rapid decentralization. The flight of Americans from the central city to the suburbs【B4】one of the greatest migrations of modern times; quiet residential sections outside cities have become conglomerations of streets, split-level houses, and shopping centers.

【B5】, this spurt of suburban expansion does not alter the basic fact that the United States【B6】one of the most urban nations on the face of the earth. Census Bureau【B7】show that the【B8】population has been shrinking steadily since 1880. When the United States became a nation it had no large cities at all; today【B9】fifty cities have populations of more than 258,000. Mammoth complexes of cities are developing in the area of the East Coast and the east north central states, on the pacific and Gulf coasts, and near the shores of the Great Lakes. Some sociologists now regard the entire 600-mile stretch between Boston and Washington, D.C.—an area holding a fifth of the country's population—【B10】one vast city or, as they call it, megalopolis.

【B1】

A．past

B．recent

C．future

D．nowadays

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