[判断题]客车实行固定配属管理。一切运营客车，根据分级管理的原则，由客调统一指挥、调动和使用。
A.正确
B.错误

The history of English is conventionally, if perhaps too neatly, divided into three periods usually called Old (or Anglo-Saxon)English, Middle English, and Modern English. The earliest period begins with the migration of certain Germanic tribes from the continent to Britain in the fifth century A. D, though no records of their language survive from before the seventh century, and it continues until the end of the seventh century or a hit later. By that time, Latin, Old Norse(the language of the Viking invaders), and especially the Anglo-Nor-man French of the dominant class after the Norman Conquest in 1066 had begun to have a substantial impact on the vocabulary, and the well-developed inflectional (词尾变化的) system that typifies the grammar of Old English had begun to break down.
The period of Middle English extends roughly from the twelfth century through the fifteenth. The influence of French(and Latin, often by way of French)upon the vocabulary continued throughout the p
A. Even an educated person can not read oId English without special training.
B. A person who knows French well can understand old English.
C. An educated person can understand old English but can not pronounce it.
D. A person can pronounce old English words but can’t understand them.