【单选题】His father has given him a large amount of money, so he could live a comfortable life.
【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。
【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.