【简答题】Whenever I am in (difficult) ______, he comes to help me.
【单选题】已知棱长为a,各面均为等边三角形的四面体S-ABC,则它的表面积等于( )
【简答题】公共基础不及格者,抄写公共基础题库3遍(所有题) 公共基础客观题库.rar 公共基础理论题库.rar
【简答题】已知各面均为等边三角形的四面体的棱长为2,则它的表面积是 .(精确到0.1)
【简答题】已知各面均为等边三角形的四面体的棱长为2,则它的表面积是______.
【简答题】He says,“You are very nice to help me.” He says,“______ nice ______ you to help me.”
【简答题】‘Hemay help me.’ she said herself.A. in B. for C. by D. to