读句子，根据汉语提示补全单词。

1. We should pay more ______( 注意) to our living environment.

2. Students are taught to help and ______ (尊重) each other in schools.

3. The local ______ (政府) has taken actions to call on people to plant trees.

4. Thank you for giving us so many good ______ (建议)。

5. So far, we've ______ (成功) in saving thousands of people in danger.

患者女，45岁，上颌缺失，余留牙正常，行可摘局部义齿修复

卡环臂进入基牙倒凹的长度为卡环臂全长的（）

A.1／2

B.1／3

C.1／4

D.1／5

E.2／5