问题
判断题
果实包括果皮和种子,果皮由子房壁发育而成。 ( )
答案
对
题目分析:一朵完整的花经过传粉和受精后,只有子房继续发育,具体发育情况为:
可见,子房发育成果实,子房壁发育成果皮,子房里面的胚珠发育成种子.
果实包括果皮和种子,果皮由子房壁发育而成。 ( )
对
题目分析:一朵完整的花经过传粉和受精后,只有子房继续发育,具体发育情况为:
可见,子房发育成果实,子房壁发育成果皮,子房里面的胚珠发育成种子.
Jim Smith was a poor boy. One day he was very cold and ___. He came to a house and asked a young ____ only for a glass of water. But the lady was so _ that she gave him a large glass of hot milk. Jim drank it and then asked, “ _ should I pay you?” “You don’t need to pay.” She replied. Jim _ _ her from the bottom of his heart. Years later, Jim became a ___. One day, a woman was sent to his hospital. She was seriously ill. He recognized her at once and decided to _ to save her life. The operation was successful, but the cost was high. After looking at the woman’s bill, Jim wrote ____ on it. When the woman received the bill, she didn’t dare to look at it. something on the side of the bill caught her attention. She began to _ the following words: Paid in full with one glass of milk.
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