单项选择题
He was so handicapped by illiteracy and by his trusting...
单项选择题He was so handicapped by illiteracy and by his trusting disposition that he would be an easy prey to cheats.
The second generation or 2G network, allowed talking an...
填空题The second generation or 2G network, allowed talking and （）(3 words) .
DynaTAC 8000X was a （）(2 words) often called "the brick...
填空题DynaTAC 8000X was a （）(2 words) often called "the brick."
