临产后观察产程进展，肛查应
A．1～2小时一次B．临产初期4小时一次C． * * 检查不清时行肛查D．4～6小时一次E．一般不做
参考答案：B
经营单位栏应填( )。
A．北京环宇商贸有限公司(1101250756)
B．青岛实德进出口公司(23211355235)
C．青岛外运代理公司
D．长春南钢厂
On a purchase of $120， a store offered a payment plan consisting of a $20 down payment and 12 monthly payments of $10 each. What percent of the purchase price， to the nearest tenth of a percent, did the customer pay in interest by using this plan ？（）
A．16.7%
B．30%
C．75.8%
D．106.7%
E．107.5%
