(单选题)20: 人类社会和自煞界对立统一的基础是() A: 地理环境 B: 劳动 C: 人口的生产和再生产 D: 物质资料的生产方式 ...

(单选题)14: 我国战国时代哲学家荀子说：“天行有常，不为尧存，不为桀亡。”荀子的这段话说明了（ ） A: 社会规律的客观性 B: 规律的平等性 C: 规律是可以认识的 D: 规律的能动作用 ...

(单选题)46: By the time I received his letter, he ___ and put in prison. A: had been arrested B: had arrested C: was arrested D: arrested ...

(单选题)40: ___ she has no car, Nancy can’t get to that small town easily. A: Though B: As C: Where D: After ...

(单选题)34: ____ Joe first heard of the man referred to as a distinguished artist. A: It was Steven that B: It was Steven who C: It was from Steven that D: That was from Steven ...

(单选题)28: Although Anne is happy with her success she wonders _____ will happen to her private life. A: that B: what C: it D: this ...

(单选题)22: Eugene is ill and can not receive you__ . A: at hand B: on the other hand C: at least D: at present ...

(单选题)16: ___ at Harvard, she was active in the dramatic society. A: Unless B: Although C: While D: Until ...

(单选题)10: Beneath the streets of the modern city___ the walls and houses of the ancient town of the Ming Dynasty. A: exist B: does exist C: are existed D: existing ...

(单选题)4: Because O type blood can be given successfully to almost any person, persons with blood type O are called universal ___. A: honors B: donors C: contributors D: distributors ...