古代雅典的民主制度突出的特点就是人民主权和轮番而治，为世界留下了宝贵的财富。下列关于雅典民主政治的说法不正确的
| A．是近代民主制度的源头 |
| B．促进了雅典哲学和教育的发展 |
| C．调动了雅典居民的积极性，但也导致了极端个人主义的泛滥 |
| D．体现了人文主义精神，促进了雅典社会的繁荣 |
The government will take some effective measures to control the heavy smog_____the northern China.
| A．blankets | B．to be blanketed | C．blanketing | D．blanketed |
She cared more about her students than her own health. That’s why two years passed _____ she was treated for breast cancer.
| A．since | B．before | C．after | D．until |
The early pioneers had to many hardships to settle on the new land.
| A．go into | B．go along with | C．go back on | D．go through |
He tried to join the army but was _____ because of poor health, which made him depressed.
| A．selected | B．abused | C．overcome | D．rejected |
The course normally attracts 20 students per year, ____ up to half will be from overseas.
| A．in which | B．of whom | C．of which | D．for whom |