An operation, *, is defined as follows: for any positive numbers a and b. Which of the fol
An operation, *, is defined as follows: for any positive numbers a and b.Which of the following is an integer?
A.11*5
B.4*9
C.4*16
D.7*4
E.9*9
An operation, *, is defined as follows: for any positive numbers a and b.Which of the following is an integer?
A.11*5
B.4*9
C.4*16
D.7*4
E.9*9
第1题
A.your operation
B.is your operation
C.your operation is
D.will your operation
第3题
[A] research
[B] operation
[C] movement
[D] search
第4题
The eye operation was such a failure that the woman refused to pay for it,
A.Right
B.Wrong
C.Not mentioned
第5题
The man was ______ at once, and he no longer had a headache after the operation.(operation)
第6题
IATA services four group interested in the smooth operation of the world air transport system.( )
第7题
The doctors performed a heart operation that was a miracle of medical skill.
A.climax
B.prodigy
C.mirage
D.acme
第8题
A.Their operation speed increases.
B.Their operation speed also decreases.
C.Their micro-components' endurance also decreases.
D.Their micro-components' endurance increases.
第10题
When was the operation finished? The operation was finished at ______.
A.around 8: 30
B.about 7: 00
C.around 4: 00