题目内容
She likes chocolate so much that she can not help (buy)（）some whenever she sees it.
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You needn’t dwell on those which are already over. What really counts is to try your best to avoid repeating them（）
某5层公建工程，条石基础，砖混结构，现浇钢筋混凝土楼板，局部采用防火玻璃隔断。首层跨度4.5m梁，起拱高度设计无具体要求。检查发现：模板支设起拱不符合要求；楼板中配筋为φ10＠200钢筋错放为φ8＠200。竣工5年后发生一次地震，房屋多处发生开裂，多处结构破坏。 根据场景，回答下列题目： 在本次地震中，作用在本建筑结构上的地震力按随时间的变异分类，属于( )类。
In the United States, teaching is very important. If teachers do not teach well, students complain. If many students do not understand, people think that the teacher does not do a good job. The teacher has big responsibilities to make sure students understand. In a sense, students are consumers and the teacher is offering services.Students have the right to evaluate their teachers, and they usually do so at the end of each course. That evaluation includes lots of aspects of teaching, such as explanation, preparation, using good examples, answering questions, and organization of classes.Students are supposed to read required textbooks and recommended books before class. Without reading them, they will find it very difficult to understand the class. Basic courses on doing research and writing papers are taught at the beginning of the program. They teach things very concretely (具体的) and clearly. Students are expected to apply what they have learned to their studies.Classes are usually divided into lectures and seminars (研究讨论会). There are some lecture classes, where the teacher just gives a lecture, and students ask questions at the end. Most graduate level classes are lectures and discussions. Participating in discussions is very important. Higher level classes involve very little lecturing. They emphasize discussion and presentation by the students. Teachers are evaluated by students mainly on（）
The telephone had been ringing for several minutes before it was (answer)（）.
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