题目内容
x=(a>b)?a:b 当 a=9,b=5时，x的值是______
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机床中的床身、床腿、尾座、主轴箱体、手轮等是用铸造方法生产的。
常用手工造型方法有整体模造型、分块模造型、挖砂造型、活块造型和刮板造型等。
铸型中，型腔用以获得铸件的外形，型芯用来形成铸件内部孔腔。
1. The girl ________(stare) at him(= As the girl stared at him), he didn't know what to say. 姑娘两眼望着他，他不知道说什么好。2. Time________ (permit)(= If time permits), we will go for an outing tomorrow. 如果时间允许的话，我们明天去郊游。3.The problems __________ ( solve)(= As the problems were solved), the quality has been improved. 随着问题的解决，质量已经提高了。4. Her glasses __________(break)(= Because her glasses were broken), she couldn't see the words on the blackboard. 由于眼镜摔坏了，她看不见黑板上的字。5.An air accident happened to the plane,nobody _________ ( alive). 那架飞机遭遇了空难，无一人生还。6. So many people absent, the meeting had to __________ (call off) 这么多人缺席，会议不得不取消。7.The girl hid her box without anyone __________ ( know) where it was.小女孩把盒子藏了起来，没有人知道它在哪里。(without +名词/代词+动词的-ing形式)8.He is going to make a model plane,some old parts ___________( help). 借助于一些旧零件，他要做一个飞机模型。9.There ___________ (be)nothing else to do, we went home. 没有别的事可做，我们就回家了。10.The test __________ ( finish), we began our holiday.= When the test was finished, we began our holiday.考试结束了，我们开始放假。
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