【单选题】商业发票中的证明文句属于首文,正文还是结文?
【单选题】关于滚动轴承的装配,下列说法正确的是 ( )。
A.
对于两面带有防尘盖、密封圈或者涂有防锈、润滑两用油脂的滚动轴承不需要进行清洗和涂润滑油
B.
为了方便装配轴与滚动轴承,滚动轴承与支承壳体的装配是属于过渡配合
【单选题】It was not what he said but the way ____ he said it that made all the people laugh.
【判断题】对于两面带防尘盖、密封圈或涂有防锈润滑两用油脂的轴承不需进行清洗。
【单选题】Part C Test Your Listening A Passage Listen to the passage and choose the right answers to the questions you hea
A.
a. The 88th floor, north tower
B.
b. The 78th floor, north tower
C.
c. The 88th floor, south tower.
D.
d. The 78th floor, south tower.
【单选题】The ______ he said it he knew what a mistake he had made.
【判断题】滚动轴承安装时,对于两面带防尘盖、密封圈或涂有防锈润滑两用油脂的轴承不必清洗。
【单选题】What made her angry was not what he said but_____ he said it.