The two factors which make underwater hull repair difficult are accessibility and the().
A. availability of tools
B. shape of the hull
C. pressure exerted by the water
D. threat of progressive flooding
查看答案
运用情境的方式呈现学习任务不是现代课堂教学组织策略的特点之一。
A. 正确
B. 错误
沙箱疗法又称()和(),是由劳恩菲尔德创始的,她并将这一方法命名为()