1分米里面有（）个1毫米． A．10 B．100 C．1_爱下问搜题

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问题选择题

1分米里面有（　　）个1毫米．

A．10

B．100

C．1

答案

答案：B

选择题

鸡和兔一共有8只，数一数腿有22条，其中兔有（　　）

D．不能确定

完形填空

One afternoon in January in 1998, Susan Sharp, 43, and her 8-year-old son David, were walking across an icy square, when Susan's cane(手杖) slipped on the ice. Her face     first into the mud. David        her mother's side, “Are you all right, Mom？”    , Susan pulled herself up, “I'm okay, Honey,” she said.
Susan was falling more        since she had trouble walking. Every inch of ice was a   40  danger for her. “I wish I could do something,” the boy thought. David, too, was having        of his own. The boy had a speech problem, so at school he talked       .
　　One day, David's teacher announced a        homework. "Each of you is going to come up with an       ," she said. This was for "INVENT AMERICA", a national competition to encourage creativity in children.
　　An idea        David one evening. If only his mother's cane didn't slip on the ice. “What if I        your cane to a nail coming out of the bottom” he asked his mother.
　　“        the sharp end would scratch(划破) floors,” Susan said.
　　“No, Mom, I        make it like a ball-point pen. You take your hand off the button and the        returns back up.” Hours later the cane was finished. David and his father        as Susan used it to walk 50 feet above the      . Happily Susan cried out, “It        !”
　　In July 1999, David was      national winner for the "INVENT AMERICA". David began to make public appearance. Thus he was forced to communicate      .Today, David is nearly free of his speech problem, and his        is becoming well accepted.

A．more slowly

B．more clearly

C．more carefully