超星 - test8.2.1 - 查题吧

单选题

If a lathe is dirty, its ____________________ may need to be cleaned.

A. cover
B. guide rails
C. spindles
D. both B and C

单选题

We can spray ______________in order to eliminate the old grease and oil residue.

A. water
B. anti-corrosion solution
C. Detergent
D. washing-up liquid

单选题

We can’t use _________to remove the dried bits of dirt and old grease.

A. cleaning paper
B. toothbrush
C. polishing paste
D. nail file

单选题

If the spindles are covered in resin, we can use ___________ to clean.

A. solution
B. Toothbrush
C. wooden wedge
D. toothpaste

单选题

What does the word "goove" mean?

A. 凹槽
B. 桶
C. 轴承
D. 主轴

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