1 . If you are lost in the mountains, stay _________ (镇静的) in the face of darkness, loneliness and the unknown world. (根据汉语提示单词拼写)

2 . The new regulations are of great________ (益处) to everyone concerned. （根据汉语提示单词拼写）

3 . It is reported that Beijing was ________ (攻击) by haze again recently, which has raised great concern. (根据汉语提示单词拼写)

4 . It’s hard to ________ (精通) English in a short period of time.（根据汉语提示单词拼写）

5 . The tests are designed to ________ (查明) the disease early. （根据汉语提示单词拼写）

6 . 5G is great progress of human ________ (文明). It has many benefits to people’s lifestyle. (根据汉语提示单词拼写)

7 . There is a good book so far as its c________ is concerned. (根据首字母单词拼写)

8 . Actually, when I went to the nursing home, the v________ were already cleaning up the yard. (根据首字母单词拼写)

9 . Social media tools let us see what our friends are up to and m________ (保持) friendship. （根据中英文提示填空）

10 . You need to write a story b________ (以……为基础) on given pictures. （根据中英文提示填空）