播音员处在广播、电视的传播前沿,它具有___(____)___等各道工序的凝聚性,同时又具有__(____)____的直接性。
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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