问题
单项选择题
直接喷射器与汽化器式燃油系统相比,下列哪种说法是正确的().
A.前者有更好的加速性能
B.后者有更好的加速性能
C.二者加速性能相同,但前者有较精确的油气比控制
D.二者加速性能相同,但后者热发容易启动
答案
参考答案:A
直接喷射器与汽化器式燃油系统相比,下列哪种说法是正确的().
A.前者有更好的加速性能
B.后者有更好的加速性能
C.二者加速性能相同,但前者有较精确的油气比控制
D.二者加速性能相同,但后者热发容易启动
参考答案:A
完形填空。 | ||||
Agatha Christic would never forget the night when she met a robber (抢劫者) many years ago. That evening,she went to a birthday party which 1 until two o'clock in the morning. Agatha walked in the 2 street alone. Suddenly from the back of a dark 3 a tall man with a sharp knife in his right hand ran out at her. "Good 4 , lady," the man said in a low voice. "I don't think you wish to die here!" ''What do you want?" "Your earrings. Take them off!" Agatha suddenly had a 5 idea. She tried to cover her necklace with the collar (衣领) of her overcoat while she used 6 hand to take off both of her earrings and then quickly 7 them on the ground. "Take them and let me go," she said. The robber thought that the girl didn't like the earrings at all, only trying to keep the necklace. It would cost more, so he said, "Give me your necklace." "Oh, sir. It doesn't 8 much. Please let me wear it." "I'm not that 9 .Quick!" With shaking 10 Agatha took off her necklace. As soon as the robber left, she picked up her earrings and ran as fast as she could to one of her friends. The earrings cost 480 pounds and the necklace the robber had taken away cost only six pounds. | ||||
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