【单选题】She was very hardworking ________he was very lazy.As a result,she passed the examination,but he failed. [ ]
【判断题】We thought she did not like us. In fact she was very shy. →We thought she did not like us, whereas in fact she was very shy.
【判断题】会计的对象应当包括社会经济活动的所有方面
【单选题】通用定时器比较操作在()时,产生非对称波形。
【简答题】当所有的外力都作用在纵向对称面内时,梁变形后的轴线弯曲成在此对称面内的一条平面曲线,这种弯曲称为()
【简答题】简述机械零件的主要失效形式有哪些?主要计算准则有哪些?
【简答题】Six-year-old Maria was waiting in line at the airport in Santo Domingo. She was leaving her native country to join her sister in the United States. She spoke English very well. Though she was very...
【简答题】若梁在某段内各横截面的弯矩为常量,剪力为零,则该段梁的弯曲就称为 ___________ ,此时横截面上只有 应力。
【简答题】阅读理解。 Alice was 23 years old. And she was a nurse at a hospital. She was very kind, and all her patients liked her very much. One day she was out shopping when she saw an old woman waiting to cross a ...