某48岁女士,21年前生育一女采用宫内节育器避孕,现月经稀少1年,周期由原来的28天变为21天,自觉已进入更年期。其正确的取环时间是( )。
Goods are carried by several of transport--on road or rail, by sea or air.
You can _____ some bottles of wine, or some chocolates, or a bunch of flowers.
A campus emergency ______ occur at any time of the day or night, weekend, or holiday, with little or no warning.
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