ખાલી જગ્યા પૂરો: 'The scientist's _____ research has led to several breakthroughs in cancer treatment.'
Aસાધારણ (mediocre)
Bબિનઅનુભવી/કલાપ્રેમી (amateur)
Cઅગ્રણી/પાયાનું (pioneering)
Dછૂટુંછવાયું (sporadic)
Answer & Solution
Correct answer: C. અગ્રણી/પાયાનું (pioneering)
કેન્સરની સારવારમાં અનેક મહત્વપૂર્ણ સફળતાઓ (breakthroughs) ઉચ્ચ-ગુણવત્તાવાળા, મૌલિક સંશોધનનો સંકેત આપે છે.
'Pioneering' (અગ્રણી/નવીનતમ સંશોધન) યોગ્ય બેસે છે.
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