（）托盘在餐厅服务中的使用频率相当高。
A.圆形
B.椭圆形
C.方形
D.长方形
参考答案：A
第二节：完成句子（10分，每小题2分）
76.Since LiMing settled here, he______________(相处得很好)with his neighbors.
77.___________(因为)the bad weather , we have to stay at home instead of going to see the film.
78．At first he wanted to give up the chance, but later he____________(改变主意)。
79.The girl_______________(正在看书的)is from Canada.
80.If you are in trouble , you can_______________(求助) your teachers.
劣性情绪指的是（）.
