仔細閱讀（第一套）：

仔細閱讀（第二套）：

仔細閱讀（第三套）：

卷三 仔細閱讀

46-50:教材的命運

46：C)They can’t connect professors and students as textbooks do

47：D）Falling sales

48：A）Reform its structures

49：C）Answer questions using their personal experience

50：B)They can learn in an interactive way

51-55：新型物種

51：D)It gets energy from both food and sunlight

52：A)The genes it captures from the sea plant algae

53：D）They can produce chlorophyll on their own

54：C)They don’t usually function inside animal cells

55：B）They can survive for months without eating