句型转换。

1. I know he is a good student. (否定句)

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2. He likes the flowers too. (否定句)

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3. She is telling us an interesting story. (祈使句)

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4. I can think of a story with a tortoise and a hare. (一般疑问句)

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5. We win the race. (用now改写)

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关于蜘蛛痣的概念，下列哪项是错误的

A．多出现在上腔静脉分布区域内

B．压之可消失

C．体检发现蜘蛛痣提示肝功能异常

D．蜘蛛痣的出现与肝对雌激素的灭活作用减弱有关

E．大小不一