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【简答题】
短文填空。 Amy is a pretty girl. She always wears old clothes but they're 1______. Last week, on her 2______ birthday, her aunt 3______ a new coat for her. She likes it very much, but she keeps it well. Her mother is ill in bed and she has a lot of 4______ to do after school. She's 5______ to make it dirty. It's snowing this morning. After 6______ she put on her old coat and was 7______, her mother 8______ her and told her to put on the new one. 'Sandy's coat is older than 9______,' said the girl. 'It's more 10______ to her, I think.' The two sisters were on the way to school. Sandy was very happy, so was Amy.
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【单选题】以太网的核心技术是随机争用型介质访问控制方法，即带冲突检测的载波侦听多路访问方法。它的核心技术起源于______。
A.
无线个人局域网
B.
近距离无线个人局域网
C.
无线分组交换网
D.
无线局域网
【单选题】_________ in Current Biology, the finding suggests that female birds seek mates with superior singing skills.
A.
To publish
B.
Published
C.
Having published
D.
To be published
【简答题】A．Cries of birds are affected by seasons. B．Only some sorts of birds can cry. C．Birds would cry when they meet ers. D．It is easy to tell the singing of a bird from its crying.
【多选题】关于预制涵洞拱圈的安装施工，正确的有（ ）。
A.
预制拱圈安装后，成品拱圈吊装孔，应以粘土填塞
B.
预制拱圈成品混凝土强度达到设计强度的70％时，方可搬运安装
C.
预制拱圈块之间的砌筑应采用干砌
D.
预制拱圈成品安装前，应检查成品及拱座、墩、台的尺寸
E.
拱座与拱圈拼装接触面，应先拉毛或凿毛(沉降缝处除外)，安装前应浇水湿润，再以M10水泥砂浆砌筑
【单选题】以太网的核心技术是随机争用型介质访问控制方法，即带冲突检测的载波侦听多路访问方法。它的核心技术起源于______。
A.
无线个人局域网
B.
近距离无线个人局域网
C.
无线分蛆交换网
D.
无线局域网
【单选题】Birds singing is sometimes a warning to other birds away.
A.
Stay
B.
staying
C.
stayed
D.
to stay
【简答题】阅读理解。 Birds Journeys The wish that shows birds to begin their journeys, and the highly exact feeling of direction shown by traveling birds, stay among the most puzzling mysteries of science. The Arcti...
【简答题】阅读理解。 It was getting late. There was no noise in the forest. We could only hear the birds singing. And then, a bear-a big brown bear-came into the forest. The bear stopped under a tall tree. He was ve...
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