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【简答题】
阅读理解。 You may know your mother, but how well do you really know Mother's Day? Cards, flowers, sales, TV specials, and a day off for someone who really deserves it-those are what probably come to mind for many people when they think of Mother's Day. But there's more to the story. The earliest Mother's Day celebrations were held during spring in ancient Greece. The celebrations honored Rhea, the Mother of the gods. During the 1600's, England celebrated a day called Mothering Sunday. On this day even servants were given the day off to spend with their families. A mothering cake was even served with the family meal. In the US, Mother's Day began in 1872 when Julia Ward Howe, who wrote the words to the famous song The Battle Hymn of the Republic, suggested it as a day devoted to peace. But it didn't really become popular until 1907 when Anna Jarvis started a campaign to honor mothers. She believed that mothers could help people get over the pain they experienced during the Civil War. The US isn't alone in devoting a day to mothers. Many other countries including Denmark, Finland, Italy, Turkey, Australia, Japan, and Belgium also honor their mothers in May. Other countries honor their mothers at different times of the year. Learning more about Mother's Day and celebrating Mother's Day are important, but probably not as important as understanding what your own mother, or grandmother, or aunt has really done for you. And that will certainly be appreciated more than one day in a year. 1. What is the passage mainly about? A. The reason why people celebrate Mother's Day. B. The ways people honor mothers. C. The history of Mother's Day. D. The great contribution of mothers. 2. Where was the earliest Mother's Day celebrated? A. In ancient Greece. B. In the US. C. In England. D. In Italy. 3. We can learn from the passage that _____. A. Rhea is the mother of a king in ancient Greece B. not all the countries celebrate Mother's Day in May C. only mothers were given a day off on Mothering Sunday D. it was in 1872 that Mother's Day really came into being 4. The last paragraph tells us that _____. A. all the people should celebrate Mother's Day B. only mothers are honored on Mother's Day C. understanding mothers' work is more important than just celebrating Mother's Day D. people should celebrate Mother's Day every day
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【多选题】展览会具有( )。
A.
前沿性
B.
艺术性
C.
生动性
D.
直观性
【单选题】在极限承载力状态下,桩顶荷载主要由桩侧承受的桩是( )
A.
端承摩擦桩
B.
摩擦端承桩
C.
端承桩
D.
摩擦桩
【多选题】下列说法哪些是正确的 ().
A.
不能对符号常量重新赋值
B.
Label控件用来在窗体中显示文本 , 其中的文本用户不能直接修改
C.
TAB()函数用于在输出表达式前将输出点定位在第 N-1 个字符位置
D.
格式输出函数 Format() 可以使数值、日期或字符串按用户指定的格式输出
【单选题】在极限承载力状态下,桩顶荷载主要由桩侧承受的桩是( )
A.
端承摩擦桩
B.
摩擦端承桩
C.
摩擦桩
D.
端承桩
【单选题】已知关系模式R(A, B, C, D, E, G, H),函数依赖集F为{AD→EH, DC→BH,H→G, D→H, A→D},则F的最小函数依赖集是( )。
A.
{A→E, CD→B, H→G, D→H, A→D}
B.
{AD→E, AD→H, CD→H, CD→B, H→G,D→H, A→D}
C.
{AD→E, CD→B, H→G, D→H, A→D}
D.
{A→E, AD→H, CD→B, H→G, D→H, A→D}
【简答题】竖向受荷桩按承载性状可分为( )和( ),前者又分为( )、( );后者又分为( )、( )。摩擦桩在极限承载力状态下,桩顶荷载由( )承受;端承摩擦桩桩顶荷载则主要由桩侧阻力承受。端承桩在极限承载力状态下,桩顶荷载由( )承受;摩擦端承桩桩顶荷载则主要由桩端阻力承受。
【多选题】价值规律发挥作用的表现形式为( )。
A.
价格围绕价值上下波动
B.
价格围绕交换价值上下波动
C.
价值围绕成本价格上下波动
D.
价格围绕生产价格上下波动
E.
市场价格围绕垄断价格上下波动
【多选题】在资本主义商品经济发展的各个阶段,价值规律发挥作用的表现形式却有所不同。价值规律发挥作用的表现形式有
A.
价格围绕价值上下波动
B.
价格围绕交换价值上下波动
C.
市场价格围绕生产价格上下波动
D.
市场价格围绕垄断价格上下波动
【单选题】已知关系模式R(A, B, C, D, E, G, H),函数依赖集F为{BC→AE, DC→EH, DG→E, B→CD, D→G},则F的最小函数依赖集是( )。
A.
{B→A, DC→H, D→E, B→C, B→D, D→G}
B.
{B→A, B→E, D→E, B→C, B→D, D→G}
C.
{B→A, B→E, D→H, C→H, D→E, B→C, B→D, D→G}
D.
{BC→A, BC→E, DC→E, DC→H, DG→E, B→C, B→D, D→G}
【单选题】已知关系模式R(ABCD)的函数依赖集F={A→BC,B→CD,C→AD},则在下列选项中,属于F的最小函数依赖集的是( )
A.
{A→C, B→C, C→A, C→D}
B.
{A→B, B→C, B→D, C→D}
C.
{A→B, A→C, B→D, C→D}
D.
{A→B, B→C, C→A, C→D}
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