经纬仪主要轴线的几何关系是:LL⊥VV,CC⊥HH,HH⊥VV。
参考答案:对
按要求分一分。
摘 俩 垂 至 落 脸 胖 闻 病 膀 盼 肩
翘舌音:____、____、____
边音:____、____、____
后鼻音:____、____、____
前鼻音:____、____、____
Good harvest this year has made it possible for us to supply walnuts ______ last year's prices.
A. at B. in C. against D. on