【单选题】My cousin has a large amount of money so that he can buy a house in the city center. [ ]
【单选题】The man was walking along the street he stopped and looked as if whether he was going in the right direction.
【判断题】窗函数频谱的主峰瓣宽度越窄,旁瓣幅度越小,用其截取信号所引起的误差越小。
【判断题】窗函数频谱的主峰瓣宽度越窄,旁瓣幅度越小,用其截取信号所引起的误差越小。
【单选题】As he wanted to watch the tennis final of the Olympic Games, he left a pile of dishes unwashed in the kitchen.
【单选题】Oded Stark researched internal migration because ______.
B.
international migration is hard to measure.
C.
Mexicans tend to migrate within their own country.