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.
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.
举一反三
- Why were American children awarded the 1965 Nobel Prize for peace?
- He no longer had a(n) _______ for furthe...costs were too high.
- We can come to the conclusion that______. A: 60 percent of American children are now born illegitimately B: at least 50 percent of black children are now born illegitimately in America C: 60 percent of American children were born illegitimately in the 1960s D: at least 60 percent of American children were born illegitimately in the 1960s
- In history, there were 5 American presidents were killed.( )
- But you were never too busy _ help with a problem, or just give a hand. A: to B: as C: at D: in