【简答题】Mobile phones are an important business tool for farmers in rural areas. But they also put a valuable educational tool in their hands. The University of Illinois in the United States has a project cal...
【单选题】They say the satellite is probably______more than U.S. $ 30,000.
【单选题】Experts say the space rock is probably ______ more than $30,000.
【简答题】Before the widespread use of computers, managers could not make full use of large amounts of valuable information about a company’s activities. The information either reached managers too late or was ...