設置路障警戒是指對人員密集場所中的警戒對象，采取設置警戒線等方式進行封閉式隔離，防止無關人員接近保護目標和隨意出入保護區域
1、正確錯誤
暫無解析
Which of the following is NOT emphasized by traditional linguists?
He became a successful actor ________ his father never was.
Her mother can ’ t speak English ________ French, but is good at Japanese.
Please see to it that the goods we ordered are shipped as soon as the covering letter of credit ____ you.( )
Which of the following techniques is NOT used in the Grammar-Translation Method?________
