The author’s friend is more likely to be a _________ to the author.

A. common friend
B. soul mate
C. sister
D. family member

According to the text, which one is NOT correct?

A. The author’s friend helped the author a lot.
B. The author and his / her friend went through many difficulties.
C. The author and his / her friend did not go to the same college.
D. The author and his / her friend live together now.

This letter is for a / an ____.

A. best friend
B. classmate in college
C. online friend
D. family member

When did the auther meet his / her friend?

A. 16 years ago.
B. 17 years ago.
C. 18 years ago.
D. 19 years ago.

A lathe can be used to finish many kinds of machining operations.

A. 对
B. 错

A lathe mainly consists of a headstock, a tailstock and a tool post.

A. 对
B. 错

In a lathe, the gears between the spindle and the feed shaft control the speed of rotation of the shaft.

A. 对
B. 错

In turning, the two centers of a lathe must be on the same line.

A. 对
B. 错

In a athe , the cutter is clamped in the tool post and the tool is fixed on the tailstock.

A. 对
B. 错

为下列句子选择合适的单词