Compared with vegetable protein, animal protein contains
A. more proteins
B. more nutrients
C. more minerals
D. more amino-acids
查看答案
Those all-you-can-eat animals often have _________.
People living in the Middle East first learned to grow plants for food about 10,000 years ago.
A. Right
B. Wrong
C. Not mentioned
A.processesB.producesC.takesD.refuses
A. processes
B. produces
C. takes
D. refuses
The test themselves are by no means free from error, because