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听力原文：W: Hi, Don, would you like to go swimming this afternoon? M: I wish I could, but I have to spend the rest of the day in the library. I have a ten-page paper due tomorrow. W: Oh, is that for Prof. Lowell's class? M: Yes, I have to do an analysis of a poem we read in class. W: That's hard. How is it going so far? M: Not very well. And I also have to study a lot for math and history. I don't know how I'm going to do it all. W: You know, Don, I've been doing well in math, so I'd be happy to help you. M: Oh, that will be great, Jenny. W: If you like, we can start after I come back from swimming. M: OK. I'll see you in front of the library. W: Gook luck with the poem. (20)A.
He must speak with Professor Lowell.
B.
He has to take a math test.
C.
He's going to a conference.
D.
He has to finish a paper.
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举一反三
【单选题】下列不属于 幼儿园观察认识活动价值的是
A.
观察认识活动是幼儿科学教育活动主要形式
B.
观察活动能促进学前幼儿多元智慧的发展
C.
观察活动能促进学前幼儿观察力的发展
D.
观察活动能促进幼儿的抽象思维能力发展
【单选题】渗出性病变是
A.
肺泡腔内的空气被病理性物质（炎性渗出物、血液、水肿液等）所代替，形成片状影，边缘模糊，密度均匀
B.
肉芽组织增生引起的实变，病理为单核细胞、网织细胞以及幼稚的结缔组织增生，实变区与正常肺组织分界清楚，密度较高，多为腺泡结节状，没有融合趋势
C.
斑点状或块状阴影，边缘锐利，多发生于退行性变及坏死的组织内，也可见于肺内肿块及肺尘埃沉着症的淋巴结内
D.
良性病变多呈球形，边缘锐利光滑，恶性者边缘不规则，可有短细毛刺伸出，可呈分叶状或脐样切迹
E.
病变被纤维组织所代替，收缩形成密度高、边缘清楚的块状影，周围器官可被牵拉移位
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