【单选题】由两个或两个以上零件结合而成为机器的一部分就是( )。
【简答题】Stress at home, stress on the job, stress in your relationships. Regardless of the source, stress can have a negative impact ( 影响 ) on your health and well- being. One of the many physical problems st...
【判断题】每次转身和到达终点时,运动员身体的某一部分必须触及池壁。
【判断题】在经营过程中,经营活动未来的结果都是可以确定的。
【判断题】The major stress on two-syllable words is more likely to fall on the second syllable if the word is a noun or an adjective, and on the first syllable if the word is a verb.
【简答题】How can stress have a major impact on the development of heart disease?
【判断题】表示基本立体形状和大小的尺寸叫定形尺寸。