【判断题】19 世纪 20 年代末期,普希金认识了汉学家瓦西里耶夫,这对他更为深入了解中国和中国文化,具有里程碑式的意义。
【判断题】Hard drives spin at 3600 rpm or more.
【单选题】His homework _______ at home yesterday evening. [ ]
【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