【简答题】Passage Four Questions 36 to 40 are based on the following passage. There seems never to have been a civilization without toys, but when and how they developed is unknown. They probably came about jus...
【简答题】We’ll all have a heart that is already accurately showing us how true things are. Carmen’s mother Maria had just 1 a serious heart attack. But without a heart transplant (移植)her life was in constant ...