问答题

（）是各学科专业人员对科学领域中的问题进行总结、研究、探讨，表述其科研成就的一种析理性文体。

【参考答案】

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‌如图所示，各杆单位长度的重量为30N m，载荷P=1000N，A处为固定端，B，C，D为铰链，根据前述对杆ABC受力分析的正确答案，列方程为（） ‌ ‌

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Directions: Fill in the blanks in the sentences with the words given in the box. (1) speculate (2) adjust (3) invest (4) accelerate (5) imitate (6) thrust (7) protested (8) diagnosed (9) distinctive (10) preserve We might ______ further from the story and say that these people probably lived very close to the well because of the importance of water to life.

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