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6-1 如果常压下 A 、 B 混合物的低共熔点 温度为 403K , 组成为 x B = 0. 40 。 现将 x B = 0.2 的 A 、 B 混合物降温至 410K ,析出的固体为 。 ( A 还是 B)
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【单选题】Where was it ______ you _______ our maths teacher?
A.
where; came to
B.
that; come across
C.
that; came across
D.
where;come to
【简答题】A．The noise came from the tires. B．The noise came form. the brakes. C．The noise came from Mrs. Jones' singing. D．The noise came from another car passing by.
【简答题】74138应用分析练习和实验实践结果上传 上传内容要求: 1、各班同学根据课堂完成情况来上传自己的作业和仿真结果。 2、本次分析练习是第二章课后习题有关74138应用的三个图,同学根据自己的完成情况(经老师盖过章的),拍一张照片上传; 3、实验实践(软件仿真或面包板实验,二选一) 1)按要求完成面包板上的74138应用实验,拍摄调试结果3-4张照片,注意班号一定要有。 2)软件仿真实验(有的班级是...
【简答题】They stopped ______ (talk) , because the teacher came in.
【简答题】______ and the lesson began. A) In came the teacher B) Came in the teacher C) Came the teacher in D) In came she
【简答题】The teacher came earlier than expected.英译汉
【简答题】When the students came into the classroom, the teacher__________on the blackboard.
【单选题】The teacher came in and told the class __________ talking.
A.
to stop
B.
stops
C.
stopped
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