第23题: [多项选择]情景： 根据下面的内容写一篇关于方星救助白天鹅的英语短文(词数100左右)： 方星是方庄村小学的学生。家住在太湖边。一天，在放学回家的路上，他发现了一只受伤的白天鹅。他把它抱回家，精心照料。几天后，白天鹅的伤好了，可以飞了。方星把它放回到大自然。 参考答案: [参考范文] Fang Xing is a good pupil of Fang Zhuang Village School. Fang Xing’s home is near Taihu Lake. One day on his way home, he saw a wounded white swan (天鹅). The swan couldn’t fly any farther. He brought it home and fed it. Fang Xing took after the swan with good care. A few days later, the white swan got well. Fang Xing took it to the hill and let it fly away. The swan went back to nature. The white swan is a kind of rare bird under the protection of the state. Fang Xing saved a white swan and he should be praised for what he has done.
第24题: [单项选择]Such a change would not ______ tO the wishes of the great majority of the people. A. conform B. confirm C. confine D. confront 参考答案:A 答案解析:此题考查动词词义及用法。A项conform常与介词to/with搭配，意为“符合；适合；使一致”，符合题意。B项confirm常被用作及物动词，意为“证实；巩固；批准”。C项confine常与介词to
第35题: [单项选择]下列关于射频脉冲（简称RF）的叙述哪一项不正确（） A. 要激发氢原子核产生磁共振必须使用RF B. 90°的RF能使纵向磁化从Z轴旋转90°到XY平面而变成横向磁化 C. 使用任一频率的RF均能激发氢原子核引起磁共振 D. 180°的RF能使XY平面已存在的横向磁化变化发生180°的相位变化 E. 只有与质子群频率相同的射频脉冲才能使其产生共振 参考答案:C 答案解析:在主磁场以Larmor频率运动的质子群，受到同样频率的射频脉冲激励时，质子群宏观磁化矢量M不再与原来主磁场平行，M的方位离开原来的平衡状态而发生变化，此即柱磁共振。
