其实情绪本身并无是非、好坏之分,每一种情绪都有它的价值和功能。()
A. 正确
B. 错误
志愿者可以参与()开展的志愿服务活动,也可以()开展志愿服务活动。
()the survivors known more of how to cope with cold water in the sinking of MV Titanic in 1912 countless lives().
A. Have/could have been saved
B. Have/could have saved
C. Had/could has saved
D. Had/could have been saved
溢流坝重力坝的孔口形式主要有坝顶溢流式和(),另外还有一种深式泄水孔。