(单选题)1: Generally speaking, _______ we have seen seems more believable than _______ we have been told. A: what; that B: what; what C: that; what D: that; that ...
(单选题)20: Lisa is a ( ) girl. A: ten-year B: ten-years C: ten year D: ten years ...
(单选题)14: She pretended not to hear,and keep ( ) walking. A: to B: on C: up D: of ...
(单选题)8: It is a big ( ) for him to do such difficult work. A: courage B: challenge C: opportunity D: chance ...
(单选题)21: He just ( ) every day. A: loses time B: kills time C: takes time D: makes time ...
(单选题)15: She bought a lot of things to ( ) her house. A: decorate B: build C: paint D: mend ...
(单选题)9: -I believe we've met somewhere before. --( ) A: -No,it isn't the same. B: No, it can't be true C: I don't think so D: I'd rather not ...
(单选题)3: She won the game ( )her mother. A: by B: through C: from D: in the name of ...
(单选题)16: 关于势能,正确说法是() A: 重力势能总是正的 B: 弹性势能总是负的 C: 万有引力势能总是负的 D: 势能的正负只是相对于势能零点而言 ...
(单选题)23: 质点沿轨道AB作曲线运动,速率逐渐减小,图中哪一种情况正确地表示了质点在C处的加速度? A: B: C: D: ...