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鲁滨逊第二次航海，船遭遇了（），成了海盗船长的（）。
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对线性定常系统而言，系统对输入信号导数的响应不等于对输入信号响应的导数。
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常用的调整月经周期的方法有()
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软件工程标准包括软件开发规范，软件文件规范，软件维护规范，软件质量规范。()
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Once there was a little girl who came to live in an orphanage (孤儿院). As Christmas time was drawing near, all of the other children 11 telling the little girl about the beautiful Christmas tree that would appear in the hall downstairs on Christmas morning. After their usual 12 , each child would be given their only Christmas gift, a small orange. The headmaster of the orphanage was very 13 with the kids. So on Christmas Eve, when he 14 the little girl slipping down the stairs to peek（偷看）at the much-heard-of Christmas tree, he 15 that the little girl would not receive her Christmas orange because she had been so curious as to disobey the rules. The little girl ran back to her room 16 , crying at her terrible fate. The next morning as the other children were going down for breakfast, the little girl stayed in her bed. She couldn’t 17 the thought of seeing the others receive their gift while there would be 18 for her. Later, as the children came back upstairs, the little girl was surprised to be handed a napkin (餐巾). As she carefully opened it, there, to her 19 , was an orange all peeled and sectioned (分瓣). “ How could this be? ” she asked. Then, she realized how each child had taken one section from their orange for her so that she, too , would have a Christmas orange. What an example of the true meaning of Christmas those orphan children showed that morning! How I 20 the world would show the same kind of concern for others, not only at Christmas, but throughout the year! 请在18处填上正确答案（）
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显影完毕，即应立即将相纸移人（）
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照相机镜头成像时，拍摄对象在影像框中是（）
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（）周岁以上不满（）周岁的未成年人犯罪的案件，一律不公开审理。
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土地管理目标按管理层次的不同，可分为（）、中观土地管理目标、微观土地管理目标。
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叶的观赏性价值在于叶色，一般人很少注意叶形。