选出每组单词中画线部分发音不同的一项。 (______)1. A. ruler B. excuse C. computer (______)2. A. use B. cut C. cute (______)3. A. duck B. mum C. excuse (______)4. A. study B. mum C. mule (______)5. A. tube B. under C. up
判断下面每组单词划线部分读音是否相同。 (_______)1.A. bed B. red C.egg (_______)2.A. study B. duck C. ruler (_______)3.A. notebook B. sofa C. nose (_______)4.A. use B. excuse C. cute (_______)5.A. kitchen B. picture C. find