家住长沙的小红，暑假准备乘火车去北京姑姑家玩，你觉得她最好选择以下哪条铁路线[ ]
A、湘黔线
B、京哈线
C、京广线
D、京包线
答案：C
慢性闭锁性牙髓炎的临床表现如下，除外
A．不定时的自发痛
B．热测引起迟缓痛
C．洞内探及穿髓孔
D．叩诊多有不适感
E．有过自发痛病史
用所给词的适当形式填空。
1 Thank you for your _______ (invite).
2. On Wednesday, she has tennis_______ (train) with the school team.
3. The boy often_______ (train) his pet dog to stand on its hind(后部的)legs.
4. This evening Sonia is going to her_______ (cousin) birthday party.
5. Do you want_______ (go) _______ (swim) with us Saturday afternoon?
6. Would you like_______ (come) to my office _______ (discuss) the report?
