1 . The rocket is a________ (系，绑)to the spacecraft and is designed to drive the spacecraft towards Mars. （根据中英文提示填空）

2 . Teachers can ________(分析)the text from different angles and conduct in-depth discussion on students' specific problems. (根据汉语意思单词拼写)

3 . China is working to make COVID-19 vaccines an ________(可使用的)and affordable public good in developing economies(根据汉语意思单词拼写)

4 . My college entrance exam is approaching, which also ______(宣告)the end of this sort of pressing study life. (根据汉语意思单词拼写)

5 . The column has lots of________ (优点). It is the teacher’s guide online that has an advantage over the other columns. (根据汉语意思单词拼写)

6 . The reason for my ______(缺席) from class was/is that I helped a homeless child on my way to school.(根据汉语意思单词拼写)