下列说法中正确的是（）
A.欣赏某位舞蹈演员舞姿时，可以将舞蹈浈员看成质点
B.以运河中行驶的船为参考系，宿迁运河文化大桥是静止的
C.伽利略用科学的椎理方法得出了自由落体运动的规律
D.物体在恒力作用下不可能作曲线运动
参考答案：C
解析：欣赏某位舞蹈演员舞姿时，因为舞蹈演员各个部分的运动情况不相同，故不可以将舞蹈浈员看成质点，选项A错误；以运河中行驶的船为参考系，宿迁运河文化大桥是运动的，选项B错误；伽利略用科学的推理方法得出了自由落体运动的规律，选项C正确；物体在恒力作用下也可能作曲线运动，例如平抛物体的运动，选项D错误；故选C。
| 情景匹配。 | |
| A: What're you going to do this weekend? B: Oh. I'm planning to have a party. 1.________ A: Thank you. 2.________ What time will it start? B: At three o'clock. We will have it at my place. A: But I don't know where you live. 3.________ B: Oh, it's easy to find my home. My home is on Garden Street. A: I don't know the way to Garden Street. Where is it? B: 4.________ Get off at the bus stop. And I will wait for you there at 2:30 p.m. A: OK. 5._________ See you. B: See you.
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