40.　 -Ann acts quite unfriendly.

-I think she’s _________________________(与其说她不友好，不如说她害羞).(more…than…)

39. _______________________(要是我多懂得)giving first aid, I could have helped them.(if)

38.A better understanding of the environment is necessary, _________________________(行动的意愿也是必要的).(as)

37. _________________________(要记住最重要的事)when dealing with an emergency is to stay calm.(mind)

36. If we learn to accept change and appreciate what is new and different, we will be well-prepared for ________　　 ____________(未来会给我们的一切).(store)