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【单选题】
在平面直角坐标系中,已知圆心A的坐标是(-4,-3),⊙A的半径为3,则⊙A与x轴的位置关系是(  )
A.
相交
B.
相切
C.
D.
外离
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参考答案:
举一反三
【简答题】设x,t均为int型变量,则执行语句“x=10;t=x&&x>10;”后,t的值为( )
【简答题】Choose the proper word for each sentence and fill in the blanks with its proper form or derivative. 1. The cold weather had _________ the river. 2. She lay in bed, _______________ her future. 3. The p...
【简答题】A lot of men like beer and football. This doesn’t mean that they all do. 2. There have been some very serious train accidents recently. It’s generally quite a safe way to travel. 3. We don’t know what...
【判断题】集料的表观密度是干燥集料质量与矿质实体体积的比值。
A.
正确
B.
错误
【简答题】We’ve got to have the best trained, best skilled in the world. prefix="o" ns="urn:schemas-microsoft-com:office:office" ?xml:namespace>
【简答题】Choose a right word or expression to complete each of the following sentences. Change the form if necessary. 1.If you’re____(confused/confusing) about anything, phone my office. 2.We’ve got two people...
【简答题】6 Complete the sentences. ► We contacted them, but so far they haven’t responded. 1 They got into trouble because they ____ all their competitors. 2 Have they given you a sales ____ for ...
【判断题】细集料的表观密度是干燥集料质量与矿质实体体积的比值。 ( )
A.
正确
B.
错误
【简答题】Ben: Hi, Henry. Hi, Helen. So, where are you two going? Henry: Oh, hi, Ben. We’ve got ( 1 )practice. We have a tournament on Monday against Meadows ( 2 ), and we’re trying to squeeze in a few more ...
【单选题】模块十一 3:听力原稿 P = Presenter; D = Dominique; R = Rob P: Let’s see what we’ve got on this week’s £15 challenge. We’re going to send two people out for a night in London, and their challenge is to have a g...
A.
See a free art exhibition
B.
​  Watch the street entertainers
C.
See the paintings
D.
​Have dinner
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