【单选题】The word 'ditto' most probably means ______ .
【判断题】对于客户调查人来说,图书馆资料对于客户调查微不足道。
【单选题】The 20th century________ many new means of communication,like radios, televisions, telephones and the Internet.
【单选题】《特种设备焊接操作人员考核细则》对接焊缝试件不带衬垫的低合金钢、合金钢弯曲角度是()(摩擦焊、堆焊时除外)。
【判断题】巴黎公社国家机关工作人员的身份是社会主人。
【简答题】In the 19th century, parents could even beat a baby just to make them become________