四逆汤主治证中无下列何项（）A.恶寒肢厥 B.呕吐下利 C.神衰欲寐 D.舌苔白滑

患者，男性，45岁，全口慢性牙周炎，近两天左侧后牙出现自发性疼痛，难以确定部位，经检查表明颊侧根分叉病变Ⅱ度，松动Ⅰ度，有叩痛，冷诊敏感。X线片显示：根分叉区的骨密度降低，未见明显龋损和隐裂。

需要进行的治疗为（）

A.龈上洁治

B.龈下刮治

C.根管治疗

D.调

E.以上都是

某县医疗机构发现该县发生重大食物中毒事件，向所在县级人民政府卫生行政部门报告时间应为（）

A.1小时

B.2小时

C.3小时

D.4小时

E.5小时

正常情况下，老年人每日适宜的饮水量为（）。

A.1000ml

B.1500ml

C.2000ml

D.2500ml

E.300ml

在烧结混合料料中，打水消化时能放出大量热量的是（）

A.石灰石

B.生石灰

C.白云石

C.萤石

Man: I am looking for an apartment with a monthly rent to around two hundred dollars in this neighborhood. Can you give me some advice on that
Woman: Well, it’s rather hard to find anything for less than three hundred dollars around here. Rents are lower in suburbs, but you need transportation if you choose to live there.
Question: What do we learn from the conversation（）。

A. The man will probably have to find a roommate.

B. The man is unlikely to live in the suburbs.

C. The man will probably have to buy a car.

D. The man is unlikely to find exactly what he desires.