单项选择题Why can't they meet on Thursday?[A] Because she wants to meet him on Wednesday.[B] Because she has to go out of town.[C] Because she is in charge of the project.[D] Because she has another meeting.
单项选择题某工程为土质边坡，采用下面哪种防护措施为好。（） A、骨架植物防护 B、喷浆防护 C、喷混凝土防护 D、砌石防护
