可逆性在儿童思维发展所有特征中是最重要的。

9. —Are you good at history, Rose?—_______. But I will try to study it well this term.

20. If you _____ to the Shanghai Expo next month, I will go with you.

34.Although the road is ______, I still want to pursue the truth in the world.

初三学生小吴每次—想到上学就紧张不安、提心吊胆、恐惧、害怕、忧虑，对老师也有抵触情绪，成绩呈明显下降的趋势，其最有可能患有（ ）。

二、多选题（30分）31. Perhaps he’d followed her ______ of a stroll to the river.

37.In 2021, ______ between the two countries hit a record high of $177 billion.

18.—Mark, please don’t play basketball on the road. It’s very dangerous.—_______. I am going home at once.

44.It’s ______ me whether he stays or goes home to his parents.

35.Now nearly half of its people are suffering from ______ hunger.

38. We ______ his invitation without thinking twice.

48. I hope you to come here early.