村集体经济组织银行核定的现金保留天数，一般为（）天。
A.3到5
B.4到6
C.3到6
D.4到5
参考答案：A
I don't like swimming, Frank doesn't like swimming, _____. [ ]
A. either
B. neither
C. too
放置6根型皮下埋植剂时，相邻两根皮下埋植剂的角度应该是（）。
A.15°
B.30°
C.45°
D.75°
