The International Rice Research Institutes plan would NOT coverA．Bangladesh.B．PakistanC．Vi

Without his assistance, I ________ the research last month.A: would not have completedB;

He was _______ the preparation of an international conference when I arrived in Beiji

The peasants are harvesting rice in the field.（英译中)

听力原文：At what time is our fundamental research going to start？（A) I think the research

Why did the rice production decrease in the 1990s？A．Because African countries stopped deve

Who started the research of the Golden Rice？A．German researchers.B．International Rice Rese