How to check the quality during production（）
A: Check every one.
B: Take samples to check it.
C: Check it at random.
A: Check every one.
B: Take samples to check it.
C: Check it at random.
举一反三
- How many processes are there during the security check?
- Please ( ) at least an hour before departure (起飞). A: take in B: take out C: check in D: check out
- He had gone to the reception desk, presumably to ______. A: check on B: check into C: check off D: check out
- Check one option.
- To show your ticket and get your seat at the airport is to _________. A: check out B: check off C: check in D: check on