对新建、改建和扩建建筑物，道路、交通设施等，应当（）。 A.符合国家有关无障碍设施工

阅读短文，判断正(T)误(F)。

      Last weekend, John and his parents went to a park. In the park, John met his classmates. They played

chess. They climbed a mountain. They went fishing, too. John and his parents had lunch at a restaurant. They

ate good food. They were very happy. And they were tired, too.

( ) 1. John and his parents went to a park on the weekend.

( ) 2. John went swimming in the park.

( ) 3. John climbed a mountain with his classmates.

( ) 4. They had lunch at home.

( ) 5. They were very tired.

设计统计指标时，应力求满足()的要求。

A．目的性

B．统一性

C．可量性

D．可比性

E．预测性

商品的单个包装又称小包装，是物品的最小单位。这种包装一般属于（）。

A.工业包装

B.商业包装

C.运输包装

D.销售包装

下列哪种情况可作3/4冠修复

A．切缘有较小的缺损

B．邻面有较大的缺损

C．舌面有广泛龋

D．扭转前牙

E．死髓牙

偏头痛的预防性治疗药物应用哪种药物（）

A.β受体阻滞剂

B.甘露醇

C.激素

D.中药

E.哌替啶