题目

71. When he climbed the mountain, he got his left leg i_________. 72. The earthquake d______the school—everything was in ruins. 73. After g_________ from college, we finally got the chance to take a bike trip. 74. In the past, people p_________ to live in the city rather than stay in the countryside. 75. Sadly, in some areas, women are not e______ treated as men. 76. The hot weather c_________ to the spread of flu.. 77. I offered my hearty _______________(祝贺) on her success. 78. Most of us really appreciate her because her teaching is so well ________ (有条理))and clear. 79. I 下列说法正确的是 A．非电物理量(如位移、速度、压力、温度、流量等)利用传感器可以转换成电学量(如电流、电压等) B．质子、中子和α粒子都可以在回旋加速器中被加速，从而获得较高的能量 C．在任何磁场中，洛仑兹力对运动电荷都不做功 D．在任何交流电路中，电流的有效值I和最大值Im均满足关系Im＝I