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【单选题】
关于体预备说法正确的是()A.
不同材料的牙体预备量不同
B.
体预备要求与铸造冠一样
C.
切端预备量应不小于1.0mm
D.
邻而预备量一般为1.5~2mm
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皮皮学刷刷变学霸
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【简答题】所谓(),是一种使用数据信息、通过计算机及通信网络进行金融交易的货币。
【单选题】— Thank you for giving me so much advice. — ______ [ ]
A.
Don't thank me.
B.
You're right.
C.
That's OK.
D.
I'm glad you say so.
【单选题】Gentlemen: Thank you for your letter of March 12, (144) you expressed your willingness to open an account with us. From your letter we are glad to learn that you are particularly interested in shippin...
A.
which
B.
what
C.
in which
D.
whether
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