决策树中，由决策节点引出的分支称为概率分支

根据所给单词完成句子。

1. He says he ____ (be) tired.

2. He said he ____ (be) sorry.

3. She said she ____ ____ (wait) for her mother.

4. The teacher told us that the earth ____ (move) around the sun.

  I called you at 7:00 yesterday evening,but no one answered.

Sorry,I_______ with my family at that time in the cinema.

A．am watching a movie

B．watched a movie

C．was watching a movie

D．have been watching a movie

男，45岁。右下6缺失，要求行固定义齿修复。检查见缺牙间隙可，牙槽嵴正常，咬合正常，右下7近中面中龋，牙髓活力正常，无牙周疾患；右下5松动Ⅰ度，X线显示牙槽骨吸收达根长1/3。

右下7应采用的固位体是（）.

A.全冠

B.3/4冠

C.嵌体

D.高嵌体

E.桩核冠

韩国游客朴先生在中国收集到一些文物，欲携带出境，遂向导游员打听需办理的手续。导游员告之，依据《文物保护法》之规定，个人携带文物出境的（）。

A.须向中国海关申报

B.从指定口岸出境

C.经文物进出境审核机构审核

D.凭文物出境许可证放行