According to Tse practical reasons often make it difficult to ______.A.get the science

According to the passage, what was the first great step toward the practice of agriculture

According to the passage, authorship is important when ______A．practical or impractical su

They should not sacrifice environmental protections to foster economic growth.A.giveB.rea

What does "free-range" mean according to the passage？A．Fond of providing a home base.B．Rea

According to the man, why do modern books decay？A．They are often handled improperly by rea

According to the author, shoppers are returning their purchases for all the following reas