The Harvard study has concluded that ______.
A: children never benefit from ear surgery.
B: tympanostomy tubes result in deafness.
C: some surgeons are too eager to operate.
D: ear tube operations are too expensive.
A: children never benefit from ear surgery.
B: tympanostomy tubes result in deafness.
C: some surgeons are too eager to operate.
D: ear tube operations are too expensive.
举一反三
- In the 1940s ______. A: tympanostomies were never performed. B: tonsillectomies were done too frequently. C: there were too few American pediatricians. D: American children had fewer ear infections.
- Please choose the correct answer from the 4 choices marked A,B,C and D. A: It is being painted. B: It has been booked. C: It is too expensive. D: It is too small.
- （）health insurance, it will be much too expensive to have the surgery A: Unless B: Without<b C: As if D: Had it not been for
- Hearing the joke, he _____ from ear to ear with delight.
- The two main problems in Venice are ____________________. A: too many old residents and too many rich people B: too many bridges and too much water from high tides C: high water and too many tourists D: expensive souvenirs and too many tourists