【判断题】Hard drives spin at 3600 rpm or more.
【单选题】His homework _______ at home yesterday evening. [ ]
【判断题】在国际性的GMP中欧盟的GMP是最早形成的,也是影响最大、适用最广的GMP。
【判断题】美国是GMP的创始国,其制定的GMP是当前标准最高的GMP。
【单选题】______, he went out to play football with his friends.
A.
To have finished his homework
B.
Have finished his homework
C.
Having finished his home work
【单选题】With his work _________, he went home happily. [ ]
【单选题】He has finished his work, .