1. So, tell me a little about yourself. You don’t need to explain everything from birth to present day. Releva...
1 汉语拼音音节表 一、附带声调的音节 a—— a ā á ǎ à ai āi ái ǎi ài an ān án ǎn àn ang āng áng ...
练习一 第1题. ⑴3的相反数是____； ⑵的相反数是____； ⑶0的相反数是____． 答案：⑴-3；⑵⑶0． 第2题. ⑴－2a的相反数是____；...
