[单项选择]The cultures early of the genus Homo were generally distinguished by regular use of stone tools and by a hunting and gathering economy.

[填空题]In Yugoslavia, the late 1960s and early 1970s were marked by improved relations with other countries, regardless of their political ______. (orient)

[填空题]During McDonald’s early years French fries were made from scratch
every day. Fresh potatoes are peeled, cut into strings, and fried in the 67. ______.
kitchens. With the chain expanded nationwide, in the mid-1960s, it sought 68. ______.
to cut labor costs, reduce number of suppliers, and ensure that its fries 69. ______.
tasted the same at every restaurant.
McDonald’s began switching from frozen French fries in 1996, and few 70. ______.
customers notice the difference. But the change had a profound effect on the
nation’s agriculture and diet. A familiar food had been transmitted into a 71. ______.
highly processed industrial commodity. McDonald’s fries now come from
huge manufacturing plant that can process two million pounds of potatoes a 72. ______.
day. The expansion of McDonald’s and the popularity of its mass-producing, 73. ______.
low-cost fries changed the way how Americans eat.