在电热法施工中,必须防止通电后发生的______和______现象,以免降低电热效应。
参考答案:分流;短路
—Dad, will you buy me a new bike?
—I don't know. I'll have to______ it. [ ]
A. think of
B. think about
C. think for
D. think out
生育保险医疗费主要采取什么付费方式?()
A、实际发生费用付费
B、定额结算付费
C、按比例付费付费
D、只支付自费部分