使用牙挺时，牙挺的挺刃一般应插入牙槽嵴的（）
A.舌侧
B.颊侧
C.远中颊侧
D.近中颊侧
E.任何位置
参考答案：D
参保职工在独生子女假休假期间可享受生育津贴待遇吗？
Why did regionalism become so popular in the U.S. during the Great Depression
A．Because the paintings sold very well.
B．Because it helped strengthen people’s faith in their country.
C．Because people liked to live in the country at that time.
D．Because it helped recover the economy.
