晶状体前、后表面曲率半径的变化()。
A.受副交感神经调节
B.受交感神经调节
C.两者都是
D.两者都无
参考答案:C
“八仙过海”故事发生的地点是今山东()。
A.青岛
B.烟台
C.蓬莱
D.威海
When was the United States transformed into a truly industrial country().
A.In the twentieth century.
B.At the turn of the last century.
C.During the Civil War.
D.Between the end of the Civil War and the mm of the 20th century.