نمونه سؤال درک مطلب آزمون msrt+کلید و پاسخنامه

نمونه سؤال درک مطلب آزمون msrt

In the mid-nineteenth century, the United States had tremendous natural resources that could be exploited in order to develop heavy industry. Most of the raw materials that are valuable in the manufacture of machinery, transportation facilities, and consumer Line goods lay ready to be worked into wealth. Iron, coal, and oil ― the basic ingredients of