第一節(jié)(共5小題;每小題1分,滿分5分)
聽下面5段對話,每段對話后有一個小題,從題中所給的A、B、C三個選項中選出最佳選項,并標在試卷的相應(yīng)位置。聽完每段對話后,你都有10秒鐘的時間來回答有關(guān)小題和閱讀下一小題。每段對話僅讀一遍。
1.Why does the woman have to wait ?
A.Because all the lines are busy .
B.Because the person she wants to speak is not in.
C.Because the operator is very busy.