【简答题】完形填空。 Who Is Cleverer, the Son or the Father? Mr Clarke works in a middle school. He likes reading and often 1 some books from the library. He keeps 2 to the radio every morning and reading 3 after ...
【简答题】如图所示,滑块 A 、重物 B 和滑轮 C 的质量分别为 m A 、 m B 和 m C ,滑轮的半径为 R ,滑轮对轴的转动惯量 I = m C R 2 .滑 块 A 与桌面间、滑轮与轴承之间均无摩擦,绳的质量可不计,绳与滑轮之间无相对滑动.滑块 A 的加速度 a = ___________ 。
【简答题】Translate the following paragraphs into Chinese. No one can think of Citroën car without thinking of its founder, an outstanding engineer Andre Citroën . He started a “V gear works” in 1912 and produc...
【简答题】Students need to learn how to __________ their work. (organise) 2. I think she'll be __________ as a photographer. (success) 3. This job gave her an opportunity to gain __________ experience. (value) ...