On the shelf there is fancy teddy bear． A．the B．a C．an
数－4与－3的和比它们的绝对值的和( ) (A) 大7 (B) 小7 (C) 小14 (D) 相等
下列各项均是饭后不宜立即进行剧烈运动的原因，其中决定其他各项因素的是( ) A．对消化有抑制作用 B．胃、肠蠕动减弱 C．消化腺分泌功能降低
有我国“黄金水道”之称的内河航道是 A．珠江 B．黄河 C．松花江 D．长江
Horseback riding has been popular for centuries for many reasons. Very early in history, horseback riding became a primary means of travel. In the very beginning, horses were used for fighting a
1864年，德国科学家萨克斯将绿色叶片放在暗处几小时，然后把此叶片一半遮光，一半曝光。经过一段时间后，用碘蒸气处理叶片，成功地证明绿色叶片
— Look at the man in blue! Do you know _____ ? —Oh, he is a policeman. A. what does he B. what he does C. how he does
解下列方程：（第1、2小题各6分，第3小题7分，共19分）(1)． (2) ． (3)．
