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【单选题】
若要在三投影面上表达两平面相交,应该做的是:A.
,首先找到两平面上共有的垂面,并判断积聚性
B.
,首先在一平面上找直线与另一平面垂直
C.
,首先找到两平面的共有的交线,并判断可见性
D.
,首先找到两平面上共有的垂线,并判断积聚性
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【单选题】下列有关建筑生活给水系统组成的说法中，哪项最准确？（ ）
A.
利用加压供水时，必须设置调节构筑物如水箱（池）
B.
利用市政供水压力直接供水时，没必要设置调节构筑物如水箱（池）
C.
当市政供水量不满足高峰用水量要求时，必须设置调节构筑物如水箱（池）
D.
当市政供水压力在高峰期不能满足设计水压要求时，必须设置加压供水设备
【简答题】完形填空 (10分) Grandma was busy cooking in the kitchen and Sera was always to be here for dinner. There were many photographs of past and present 1 members and many other old things on her grandma’s table...
【简答题】Could you tell him I’ve booked a table at Marcel’s restaurant this evening and I’ll meet him there?
【简答题】8086和80386各有多少根地址总线?可直接寻址的内存空间各是多少?它们的数据总线个有多少根?
【单选题】Why didn’t the woman make an appointment with Marcel well in advance?
A.
She was informed of her meeting this evening only a short while ago.
B.
As Marcel’s regular customer, she did not have to do so.
C.
She did not expect that Marcel would be so popular.
D.
She had been too busy preparing for her meeting to call the hairdresser’s.
【单选题】Marcel Alwa ys Doe s My Ha ir What was the purpose of the woman’s call?
A.
To talk to Marcel.
B.
To make an appointment to have her hair done by Marcel.
C.
To cancel the appointment with Marcel.
D.
To say that she would come to visit O’Neil at 3:00 this afternoon.
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