_贵阳成考网

46.How much of the land surface on Earth is covered by rainforests?

• A、More than 50%.
• B、Nearly 12%.
• C、Less than 5.3%.
• D、Around 22.5%.

53＿＿

47.How many people on average would marry the same person again?

• A、42%.
• B、48%.
• C、68%.
• D、20%.