旅行吧!

Ⅰ、1-5 DBBDA  6-10 AACAC  11-15 DBCDC

Ⅱ、16-20 ABDDC  21-25 ABBDA  26-30 ACBDA

Ⅲ、31-35 CDBAE

Ⅳ、36-40 ABCDB

Ⅴ、

41. Some of them have trouble falling asleep or getting a good night’s sleep.

42. Some of them are so nervous that they can’t concentrate on their studies.

43. Every day, they are worried whether they can get good grades on the exams or not.

44. Moreover, a small number of the students have been bothered by emotional problems for some time.

45. Eventually, they can’t lead a normal life without taking some medicine.