迄今为止见到的最早的锚是在河姆渡发现的。()

A. We’ll buy all the food from supermarket and check all the food we buy carefully
B. We’ll buy all the food from foreign countries and check all the food we buy carefully
C. We’ll import all the food and check all the food we buy carefully
D. We’ll buy all the food from exclusive shops and check all the food we buy carefully

A. We’ll buy commodity from designated places and conduct a special test of the purchase
B. Even though we buy food from designated green food bases, still we take a test of the purchase
C. We’ll buy goods from designated green food bases and conduct a special test of the purchase
D. The food we buy are from designated green bases and we still conduct a test of the purchase