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【单选题】
后牙邻面龋制备的窝洞是布莱克分类的A.
第Ⅰ类洞
B.
第Ⅱ类洞
C.
第Ⅲ类洞
D.
第Ⅳ类洞
E.
第Ⅴ类洞
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举一反三
【简答题】A assists B causes C makes D helps
【简答题】An important financial institution that assists in the initial sale of securities in the primary market is the investment bank.
【单选题】Shortly after their admission into the EMU, Ireland and the Netherlands
A.
both seceded from the EMU.
B.
were expelled due to high levels of debt.
C.
breached the inflation convergence criterion that had qualified them for admission to the EMU in the first place.
D.
achieved inflation rates of zero percent
E.
abandoned the Euro as their national currency.
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