题目内容

For PART 1 (essay questions) of the OESC Final Exam (19 December, 2021 at 9:00-9:40am), match each of the following items to whether you are allowed or NOT allowed to use/do it during the exam period.

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For PART 2 (objective questions) of the OESC Final Exam (?? December, 2021 at ??, during week 17), match each of the following items to whether you areallowedorNOT allowedto use/do it during the exam period.

Match the exam part below with the device you MUST use for that exam part.

3和-7的等差中项是（）

A. -1
B. -2
C. 0
D. 1

4和8的等差中项是（）

A. 12
B. 6
C. 5
D. 10