【判断题】多数细菌对抗生素敏感,多数病毒对干扰素敏感。
【单选题】The reason_______ his being late for school was______ he missed the train.
【简答题】约翰先生所说的话改变了他儿子的一生。(course)
【单选题】 已知水泥消耗量为 41200t ,损耗率为 3% ,那么水泥的净用量是( )。
【单选题】The reason 'Father was in a hurry to get home' was that he________.
A.
wasn't feeling very well
B.
hated to drive in the dark
C.
wanted to take some exercise
D.
didn't want to be caught by the police
【简答题】The reason_____ he explained to us was ______he was ill. for; that B. for ; because C. why; that D. which; that
【判断题】单活塞杆双作用液压缸作为差动液压缸使用时,若使其往复运动速度相等,则其活塞面积应为活塞杆截面积的2倍。