搜题请搜索小程序“爱下问搜题”
问题 不定项选择

（）

A.

B.

C.

D.

答案

参考答案：A, B, C, D

解析：

选择题
As soon as she entered the room, the girl caught sight of the flowers _____ by her mother.

A. buying
B. being bought
C. were bought
D. bought
查看答案
单项选择题

慢速手机不间断切割牙体组织对牙髓损害的因素是

A．机械压力
B．干燥脱水
C．产热过多
D．粉尘污染
E．噪音污染
查看答案