10.Tu Youyou won Nobel Prize in Medicine for her discoveries that helped doctors fight malaria and _______ caused by roundworm parasites.( )
A. | injections | B. | infections | C. | prescriptions | D. | presentations |
9.The TV set he works well now.( )
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A. | has repairing | B. | has had repaired | ||
C. | has been repaired | D. | having repaired |